Lower Pthumerian Labyrinth Bloodborne Wiki » Chalice Dungeons » Labyrinths » Lower Pthumerian Labyrinth

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Table of Contents

Gallery Page

Basic Information

Flow Chart

General Notes

Enemies

Item Treasures

Walkthrough & Map

Basic Information

New Players ► Recommended: Player Level 80+ & Weapon Upgrade +8

Labyrinth	Chalice	Required Materials	Layer Bosses	Key Rewards
Lower Pthumerian Labyrinth Depth 3		Ritual Blood(3) x9 Blood Echoes x3200	L1: Merciless Watchers & Chieftain L2: Undead Giant (Club and Hook) L3: Rom, the Vacuous Spider L4: Bloodletting Beast	L1 Boss: Tempering Blood Gemstone (3) L2 Coffin: Workshop Haze Extractor L2 Boss: Adept Blood Gemstone (3) L3 Boss: Lower Pthumeru Root Chalice L4 Bath Messenger Shop: Sinister Lower Pthumeru Root Chalice L4 Boss: Defiled Chalice

Pthumerian Flow Chart

Sinister Chalices										Pthumeru The underground labyrinth is extremely large, and changes its form the deeper it goes. Each part has its own unique appearance and tendencies, though, and these are divided into four distinct areas: Pthumeru, Hintertomb, Loran and Isz. Pthumeru specifics The standard area type, usually with a basic room structure. No particular elemental type dominates. Kidnappers appear often. Merciless Watchers guard floor levers.
↑					↑				↑
Preset Chalices		→		→	YOU ARE HERE	→		→
↓	↓		↓		↓		↓		↓
Root Chalices

General Notes It's recommended to take on this and all following Chalice Labyrinths in co-op. At Depth three, enemies are as strong and as resilient as in the previous Lower Hintertomb Labyrinth, but the Lower Pthumerian Labyrinth is longer, and there are larger groups of enemies to contend with. It also has some important items to plunder, such as the Sinister Lower Pthumeru Root Chalice (from a secret Bath Messenger shop for 9000 Blood Echoes on level four), and the Workshop Haze Extractor (in a coffin on level two). Old Hunter Allies: With patch v1.07 a wide variety of new and existing NPCs have been added to the main game, the Old Hunters areas and the Chalice Dungeons to aid you during the hunt, particularly during boss fights. The conditions for summoning these allies vary; the “Old Hunter Bell” is a universal requirement for calling any of them. In some areas you may be able to summon up to two NPC Hunters. In Lower Pthumerian Labyrinth you can summon Tomb Prospector Olek on Layer 3 for Rom, the Vacuous Spider boss, his sign is just to the left of the entrance that leads to the boss room for assistance against Rom, the Vacuous Spider. And on Layer 4 for Bloodletting Beast boss, take the path to the left, just before the entrance door to the boss room on this floor and when you reach the room with the ladder, do not go up it just yet. In the top right corner from where you entered this room you see the summon point. You can also summon Madman Wallar on Layer 3 for Rom, the Vacuous Spider boss, the path to the right from the first Lamp on this floor will take you to the top level of the large garden area. On the right-hand corner of this platform nearest to the path that you took to get here is where you can summon him. And on Layer 4 for Bloodletting Beast boss, take the left door just before going straight ahead towards the boss room. In the next room with the Merciless Watcher guarding a chest containing a Sage's Wrist is the summon point.

Enemies

Layer 1			Drop
Regular Enemies
Nightmare Apostle	494	601	Quicksilver Bullets x2 [30%]
Labyrinth Watcher (Cleaver)	474	707	Blood Vial x1 [8%]
Labyrinth Watcher (Dagger)	474	707	Blood Vial x1 [8%]
Labyrinth Watcher (Halberd)	744	707	Blood Vial x2 [14%]
Strong Enemies
Kidnapper	1488	2469	Ritual Blood(4) x1 [25%], Twin Blood Stone Shards x2 [25%], Twin Blood Stone Shards x1 [45%], Bolt Paper x1 [5%]
Bell Ringer	812	1203	Quicksilver Bullets x3 [30%], Quicksilver Bullets x2 [70%]
Labyrinth Warrior (Greatsword)	1285	3260	Random gem based on area x1 [25%], Blood Vial x4 [15%], Blood Vial x3 [45%], Inflicted Organ x1 [15%]
Labyrinth Warrior (Crossbow & Sword)	1285	3260	Random gem based on area x1 [25%], Blood Vial x4 [15%], Blood Vial x3 [45%], Inflicted Organ x1 [15%]
Bloodlicker	1555	2226	Random gun type gem x1 [16%]

Layer 2			Drop
Regular Enemies
Labyrinth Watcher (Cleaver)	497	742	Blood Vial x1 [8%]
Labyrinth Watcher (Dagger)	497	742	Blood Vial x1 [8%]
Labyrinth Watcher (Halberd)	781	742	Blood Vial x2 [14%]
Labyrinth Watcher (Cleaver & Lantern)	781	742	Blood Vial x1 [8%], Quicksilver Bullets x2 [8%]
Labyrinth Watcher (Twin Axes)	781	742	Blood Vial x2 [8%]
Labyrinth Rat	497	587	Tomb Mold(3) x2 [0.4%], Tomb Mold(3) x1 [4%]
Gel	426	1374	Oil Urn x2 [5%], Shining Coins x3 [10%], Pebble x3 [10%]
Rabid Dog	568	931	None
Gravekeeper Scorpion	320	654	Random Dirty gem based on area x1 [4%]
Strong Enemies
Kidnapper	1562	2592	Ritual Blood(4) x1 [25%], Twin Blood Stone Shards x2 [25%], Twin Blood Stone Shards x1 [45%], Bolt Paper x1 [5%]
Bloodlicker	1633	2337	Random gun type gem x1 [16%]
Watcher Chieftain (Heated Club & Lantern)	2236	3500	Random gem based on area x1 [25%], Blood Vial x3 [30%], Quicksilver Bullets x4 [25%], Ritual Blood(4) x1 [20%]
Merciless Watcher (Saw)	2236	3500	Random gem based on area x1 [25%], Blood Vial x3 [30%], Quicksilver Bullets x4 [25%], Ritual Blood(4) x1 [20%]

Layer 3			Drop
Regular Enemies
Nightmare Apostle	531	661	Quicksilver Bullets x2 [30%]
Labyrinth Watcher (Cleaver)	509	778	Blood Vial x1 [8%]
Labyrinth Watcher (Dagger)	509	778	Blood Vial x1 [8%]
Labyrinth Watcher (Halberd)	800	778	Blood Vial x2 [14%]
Labyrinth Watcher (Twin Axes)	800	778	Blood Vial x2 [8%]
Rabid Dog	582	975	None
Children of Rom	364	197	Madman's Knowledge x1 [1%]
Strong Enemies
Kidnapper	1599	2716	Ritual Blood(4) x1 [25%], Twin Blood Stone Shards x2 [25%], Twin Blood Stone Shards x1 [45%], Bolt Paper x1 [5%]
Bell Ringer	873	1323	Quicksilver Bullets x3 [30%], Quicksilver Bullets x2 [70%]
Labyrinth Warrior (Greatsword)	1381	3586	Random gem based on area x1 [25%], Blood Vial x4 [15%], Blood Vial x3 [45%], Inflicted Organ x1 [15%]
Bloodlicker	1672	2449	Random gun type gem x1 [16%]
Keeper's Hunting Dog	1178	1219	Twin Blood Stone Shards x1 [1.5%], Twin Blood Stone Shards x1 [33%]
Keeper of the Old Lords	2181	4131	Random Sharp gem based on area x1 [30%], Blood Vial x3 [30%], Blood Vial x2 [40%]
Fluorescent Flower	1091	2147	Arcane Haze x3 [8%], Arcane Haze x2 [30%], Arcane Haze x1 [62%]
Merciless Watcher (Scattergun, Club & Lantern)	2290	3667	Random gem based on area x1 [25%], Blood Vial x3 [30%], Quicksilver Bullets x4 [25%], Ritual Blood(4) x1 [20%]

Layer 4			Drop
Regular Enemies
Nightmare Apostle	568	722	Quicksilver Bullets x2 [30%]
Labyrinth Watcher (Cleaver)	545	848	Blood Vial x1 [8%]
Labyrinth Watcher (Dagger)	545	848	Blood Vial x1 [8%]
Labyrinth Watcher (Twin Axes)	856	848	Blood Vial x2 [8%]
Labyrinth Rat	545	671	Tomb Mold(3) x2 [0.4%], Tomb Mold(3) x1 [4%]
Gel	467	1570	Oil Urn x2 [5%], Shining Coins x3 [10%], Pebble x3 [10%]
Gravekeeper Scorpion	350	757	Random Dirty gem based on area x1 [4%]
Wandering Nightmare	210	177	Random gem based on area x1 [100%]
Strong Enemies
Kidnapper	1711	2962	Ritual Blood(4) x1 [25%], Twin Blood Stone Shards x2 [25%], Twin Blood Stone Shards x1 [45%], Bolt Paper x1 [5%]
Bell Ringer	933	1443	Quicksilver Bullets x3 [30%], Quicksilver Bullets x2 [70%]
Labyrinth Warrior (Greatsword)	1478	3912	Random gem based on area x1 [25%], Blood Vial x4 [15%], Blood Vial x3 [45%], Inflicted Organ x1 [15%]
Bloodlicker	1789	2671	Random gun type gem x1 [16%]
Watcher Chieftain (Heated Club & Lantern)	2449	4001	Random gem based on area x1 [25%], Blood Vial x3 [30%], Quicksilver Bullets x4 [25%], Ritual Blood(4) x1 [20%]
Merciless Watcher (Saw)	2449	4001	Random gem based on area x1 [25%], Blood Vial x3 [30%], Quicksilver Bullets x4 [25%], Ritual Blood(4) x1 [20%]
Keeper's Hunting Dog	1260	1329	Twin Blood Stone Shards x1 [1.5%], Twin Blood Stone Shards x1 [33%]
Keeper of the Old Lords	2333	4507	Random Sharp gem based on area x1 [30%], Blood Vial x3 [30%], Blood Vial x2 [40%]
Watcher Chieftain (Club & Lantern)	2449	4001	Random gem based on area x1 [25%], Blood Vial x3 [30%], Quicksilver Bullets x4 [25%], Ritual Blood(4) x1 [20%]

Item Treasures	█ Notable Loot	Items Full Map Layer 1, Layer 2, Layer 3 & Layer 4

	Item	Location		Item	Location
Layer 1
█	Blood Vial x1	Upper Floors near ladder	█	Quicksilver Bullets x2	large room in side area between lamps
█	Coldblood Dew (2) x1	last room in side area between lamps	█	Ritual Blood (3) x1	end of side area before layer lamp
█	Blood Vial x1	on Upper Floors	█	Quicksilver Bullets x1	top of stairs on he way to lever room with Bell Ringer
█	Blood Vial x1	on Upper Floors	█	Molotov Cocktail x1	large room laeding to room it lever and Bell Ringer
█	Quicksilver Bullets x2	large room before treasure room in side area between lamps	█	Sage's Wrist x1	before layer lamp
█	Coldblood Dew (2) x1	large room leading to treasure room on Upper Floors
Layer 2
█	Quicksilver Bullets x3	in area outside of tunnel with numerous Labyrinth Rats	█	Thick Coldblood (5) x1	in area outside of tunnel with numerous Labyrinth Rats
█	Thick Coldblood (5) x1	top of staircase leading to the bridge lever	█	Ritual Blood (4) x2	after staircase near locked door
█	Rope Molotov Cocktail x2	middle of treasure room opposing lever room	█	Blood Vial x3	on the other side after dropping the bridge
█	Ritual Blood (3) x1	treasure room opposing the lever room on Upper Floors	█	Blood Vial x1	on the other side after dropping the bridge
█	Tomb Mold (3) x4	treasure room opposing the lever room on Upper Floors	█	Blood Vial x2	on the other side after dropping the bridge
█	Ritual Blood (3) x3	treasure room opposing the lever room on Upper Floors	█	Rope Molotov Cocktail x2	other side of dropped bridge
█	Tomb Mold (3) x4	end of large treasure room opposing the lever room on Upper Floors	█	Blood Vial x3	on the other side after dropping the bridge
█	Numbing Mist x1	before lever room	█	Odd Tempering Bloodstone (3) x1	treasure room on other side of dropped bridge
█	Quicksilver Bullets x4	first large room in side area entered before layer boss	█	Quicksilver Bullets x2	second large room in side area entered before layer boss
█	Madman's Knowledge x1	up the lader before lever to drop the bridge	█	Workshop Haze Extractor x1	coffin at the end of side area before the layer boss
Layer 3
█	Ritual Blood (4) x1	room behind illusory wall right after layer lamp	█	Bold Hunter's Mark x2	large room with Keeper on Upper Floors
█	Sage's Wrist x2	room behind illusory wall right after layer lamp	█	Blood Vial x3	in room before Keeper and Kidnapper
█	Quicksilver Bullets x8	inside treasure room after illusory wall facing layer lamp	█	Molotov Cocktail x3	room before staircase treasure room near Keeper
█	Blood Vial x4	in ground area below platform	█	Numbing Mist x1	hallway leading to ladder to Lower Floors next to room with Keeper
█	Thick Coldblood (6) x1	in ground area below platform	█	Tomb Mold (3) x4	bottom stairs in treasure room after the Keeper of the Old Lords
█	Thick Coldblood (6) x1	top of staircase room Lower Floors	█	Ritual Blood (3) x2	large rounded room
█	Quicksilver Bullets x3	large room with Keeper on Upper Floors	█	Numbing Mist x1	top of stairs in treasure room on Upper Floors
█	Thick Coldblood (6) x1	large room with Keeper near to treasure room
Layer 4
█	Quicksilver Bullets x4	in large room with Bell Ringer/traps before large treasure room	█	Quicksilver Bullets x4	in last room in side area entered before layer boss
█	Molotov Cocktail x3	large room with traps and Bell Ringer leading to large treasure room	█	Sage's Wrist x1	first room in side area before layer boss
█	Fire Paper x4	large room with traps and Bell Ringer leading to large treasure room	█	Blood Vial x5	in room with traps near Bell Ringer
█	Ritual Blood (4) x1	large treasure room opposing room with Bell Ringer on Upper Floors	█	Ritual Blood (3) x2	large circular room on Upper Floors
█	Odd Tempering Blood Gemstone (3) x1	tresure room opposing room with Bell Ringer on Upper Floors	█	Ritual Blood (4) x1	large circular room on Upper Floors
█	Tomb Mold (3) x6	tresure room opposing room with Bell Ringer on Upper Floors	█	Blood Vial x3	room before large circular room
█	Ritual Blood (4) x3	large treasure room opposing room with Bell Ringer on Upper Floors	█	Bold Hunter's Mark x2	large area with Labyrinth Rats opposing to circular treasure room
█	Thick Coldblood (6) x1	large room with Bell Ringer next to large circular room	█	Blood Vial x5	in ground level with gels hanging from the ceiling
█	Sage's Wrist x2	treasure room with Bell Ringer	█	Numbing Mist x1	large area with Labyrinth Rats opposing to large circular treasure room

+ Layer 1 Walkthrough & Map	Click to Expand & Collapse

Click on the map for full resolution, © Bloodborne Collector’s Edition Guide by Future Press. Step 01: Attacking the wall in the first room will reveal a hidden path that takes you up to a chest containing a Sage's Wrist. Once you have that, you can either backtrack the way you came, or drop down off the ledge to reach a room near the start of the level.

Step 02: As you approach this room. Nightmare Apostles summoned by a Bell Ringer up ahead will start running toward you - try to take them on in the doorway so they can't surround you. There's also a pressure plate just in front of the door that triggers a number of flaming arrow traps, so taking the fight into the room can be dangerous. The room itself may appear clear, but if you look up you'll see a number of Nightmare Apostles hanging from the ceiling; rather than trying to fight them now, it's best to continue to the next room and kill the Bell Ringer there to stop her from summoning enemies first. Once she's been killed you can return here and either use ranged attacks to knock the Apostles down one at a time, or advance slowly through the room so that you don't have to fight the entire group at once. Step 03: The Bell Ringer you're after is straight ahead of you when you enter this room, so take her out as quickly as possible before she can summon too many enemies. Once she's down, check behind you just in case any of the Apostles from the previous room followed you in, because you'll want to deal with them before continuing. The Labyrinth Watcher standing guard over the lever at the bottom room has a commanding view of the area with his crossbow, but that can actually be used to your advantage. While you cannot normally sneak up behind him, if you go part of the way down one of the staircases so that he spots you, and then retreat, he'll move over to that side slightly As long as you get him to move over enough, you can then walk down the other staircase and get around behind him for a charged R2. Step 04: The Watcher Chieftain will generally stick to the middle of the room and try to shoot you during the fight, which means you can stick to the outskirts of the room and use the pillars for cover. If you keep moving around the room from pillar to pillar you should also be able to keep both Merciless Watchers approaching you from the same direction; wait for one to get close, and then after getting a couple of hits in, move on to the next pillar again before one can circle around you.

Video Guide: Bloodborne Guide - Chalice Running 101 - Lower Pthumeru by Souls Pedia

+ Layer 2 Walkthrough & Map	Click to Expand & Collapse

Click on the map for full resolution, © Bloodborne Collector’s Edition Guide by Future Press. Step 01: A Labyrinth Watcher with a Lantern patrols this area, and if he spots you he'll ring the lantern, causing all of the Labyrinth Watchers on the bridge above to descend the ladder at the end of the tunnel on the opposite side of the room. This can actually work in your favor, because that ladder is just at the edge of their range, so they'll often get caught between trying to climb up and down it, and fighting them there is much easier than on the bridge. Be careful as you progress through the tunnel, however, because there's a Gel hanging from the ceiling near the end; use a ranged attack to knock it down as soon as it comes into view.

Step 02: There's a Merciless Watcher standing guard over the lever in this room at the top of the stairs, but fighting him there can be difficult, because there's not much room to move. It's better to lure him down to the bottom of the stairs, where you can use the statues to block his movement and easily make his attacks miss. Step 03: While the large number of Holy Chalice rite materials that you can get in here would be reason enough to visit the room, there are even more secrets to uncover If you strike the wall you'll reveal a hidden path that leads down to another room, where you'll be able to acquire even more treasures. A number of Wandering Nightmares also occupy that room, but because of their positions it can be very difficult to kill them all before they disappear To get any that you miss, simply leave the dungeon and make your way back here again. Step 04: There's a very large group of Labyrinth Rats here, and there are a couple of ways you can go about dealing with them, depending on what you have at hand. Because the rats move about a lot, if you're patient, you can usually move forward just enough to get one or two of them to spot you at a time, and then drop back to fight them away from the group. If, however, you have some Pungent Blood Cocktails and Molotovs, you may want to try and lure a group of them back to the tunnel entrance, where there's a pool of oil, and then throw the Blood Cocktail into it so that the rats swarm in there. Once they're all bunched up, throw some Molotovs to kill them quickly. Step 05: Pulling the lever here will lower the nearby drawbridge so that you can reach the other side of the room, where a large amount of items can be looted from corpses. Once you drop down, however, you won't be able to get back up, and will have to drop down again to the tunnels below to continue. If you decide to drop down, try to line yourself up above the Labyrinth Watcher manning the cannon below, so that you can kill it with a plunging attack. Step 06: You need to approach the enemies in this room very cautiously if you haven't cleared out the upper part of the drawbridge room, because if you need to retreat, the Labyrinth Watchers up there will start firing their canons down at you. For the first group of Labyrinth Watchers, try to lure then to you one at a time to keep the fight manageable. Once they're down, lure the Warrior Chieftain away from the Watchers at the back and try to get him stuck on the cages in the room. The coffin here contains the Workshop Haze Extractor Key Item, which is used for extracting Arcane Hazes from ritual crafting items at the Workbench in the Hunter's Dream.

Video Guide: Bloodborne Guide - Chalice Running 101 - Lower Pthumeru by Souls Pedia

+ Layer 3 Walkthrough & Map	Click to Expand & Collapse

Click on the map for full resolution, © Bloodborne Collector’s Edition Guide by Future Press. Step 01: A hidden passageway can be revealed if you strike the wall in the crossroad room, and if you follow it along you'll be able to reach another room with some chests to plunder There are no enemies in the treasure room, so you can explore at your leisure. Step 02: There's a Bell Ringer near the fountain directly ahead when you enter this room, so quickly run forward and kill her before she can summon too many enemies. If done correctly you can kill her without alerting the Labyrinth Watcher and Kidnapper, so sneak up behind them one at a time and use charged R2 attacks. There are a large number of Fluorescent Flowers on the lower part of this room, and a Keeper of the Old Lords with two Keeper's Hunting Dogs are patrolling the area directly below the fountain. If you have ranged attack options, such as a Pistol or Throwing Knives, it's well worth using them on some of the Fluorescent Flowers from the corners of this upper area You usually only be able to reach one of the two in the corners, but that will help you out in the long run.

Once you're ready to head down, going clockwise around the outside of the room from the bottom of the stairs is best; by doing that you'll be able to use the pillars for cover as you approach the remaining Fluorescent Flowers, and still keep an eye on the middle for the patrolling enemy group. Two more Fluorescent Flowers have taken up residence in the area below the fountain, but you should try to deal with the patrolling group first. When you encounter the group, take advantage of the fact that the dogs move faster and try to lure them away and around some of the pillars to separate them Depending on where you first see them, and if they come out from beneath the fountain, it can be worth going back up the stairs and trying to use plunging attacks on them from above. Because of the sheer number of Fluorescent Flowers here, it can be worth repeatedly killing them for Arcane Hazes, so that you don't have to break down your other materials to get them. Step 03: This room can be highly challenging, because you'll have to take on a Labyrinth Watcher, Keeper of the Old Lords, two Keeper's Hunting Dogs, three Nightmare Apostles and eventually a Kidnapper; playing with a co-op partner is definitely advised. You can bypass this area and head straight for the level boss if you wish, but you're reward for pushing through the challenge will be even more Holy Chalice rite materials. The Keeper of the Old Lords will usually stay in place, to the left of the doorway, unless he sees you So it's best to lure some of the other enemies out of the room, without actually going in there By sticking to the alley just in front of the door, you can usually get the Labyrinth Watcher to spot you, and he'll reliably be accompanied by the two Keeper's Hunting Dogs, since they're the fastest enemies. If you have any Pungent Blood Cocktails, use them to keep the two dogs in place while you damage them and kill the Watcher. If you don't have any, you should retreat back to the ladder room, drop down, and try to separate them and attack them as they land. The Nightmare Apostles move quite slowly and it takes some time for them to reach you, but that doesn't mean that you shouldn't try to kill the first few enemies as quickly as possible; defeating them before the Apostles arrive will make things much easier, because you can soon get overwhelmed if you have to fight all of them at once. When you finally enter the room, try to lure the Keeper away from his starting position to avoid the risk of drawing the Kidnapper into the fight.

Video Guide: Bloodborne Guide - Chalice Running 101 - Lower Pthumeru by Souls Pedia

+ Layer 4 Walkthrough & Map	Click to Expand & Collapse

Click on the map for full resolution, © Bloodborne Collector’s Edition Guide by Future Press. Step 01: There's a hidden passage in the room behind the wall, but before you can reach it you'll need to fight your way past a very large group of enemies. A Keeper of the Old Lords along with two Keeper's Hunting Dogs will usually be positioned near the back of the room, and hanging from the ceiling are a number of Nightmare Apostles As always, trying to separate the enemies and fighting them in small groups is the key to victory. As long as the Keeper and the two Dogs are at the back of the room, you can advance slowly and knock the Apostles down one at a time without being detected. If the Keeper and the dogs have started patrolling, however, you should try to use Pebbles to lure the dogs out one at a time. If you attract the attention of multiple enemies, fall back to the previous room with the ladder and try to get them to fall off, so that you can use plunging attacks. Once all of the enemies have been killed, hit the wall to reveal the hidden passage and head to the Blood Echoes shop at the end of this path selling the Sinister Lower Pthumeru Root Chalice for 9000 Blood Echoes.

Step 02: As you approach the doorway leading into this room, a large group of summoned Nightmare Apostles will round the corner and try to attack you - try to sprint past them quickly to get into the room and kill the Bell Ringer on the ledge to the left If the apostles have already blocked your path, you should retreat back along the tunnel quickly to try and separate them somewhat before you turn and engage them. Step 03: A Labyrinth Watcher will usually attack you as soon as you enter this room, so make sure you're ready for him. Up next is a Merciless Watcher that's standing near the back of the room - try to use the pillars to flank him during the fight Once the enemies have been killed, loot all of the chests in the room for a number of useful items, including some Ritual Blood (4)s. Step 04: The low visibility in this room can make seeing the enemies quite difficult, especially the numerous Gels that are clinging to the ceiling. A large group of Labyrinth Rats are gathered in the middle of the room - try to lure some of them to you using ranged attacks from the entrance of the room before you go in. The first Gel is hanging just inside the room, so once you're ready to enter, make sure it doesn't drop on you. If you climb the mound of dead pigs you can get a better view of the room; aim to take out the first few Gels so that you have some room in which to fight the Kidnapper that's near the middle. Step 05: When you approach the opening to this room you will likely have to deal with a mob of summoned Nightmare Apostles from the Bell Ringer Occupy the entrance to this room and funnel them through one at a time so as not to get swarmed. Once you have cleaved yourself a path, rush in and kill her quickly. Finish off the patrolling Labyrinth Watchers once she's down, and then walk down one of the sets of stairs and sneak past the Merciless Watcher, so that you can use a charged R2 from behind. Step 06: The boss of this level is the Bloodletting Beast, and defeating him will reward you with the Defiled Chalice. He can knock down the support pillars circling this room if you attempt to use them as cover, so it's best to keep on the move and use the size of the room to your advantage by using ranged attacks.

Video Guide: Bloodborne Guide - Chalice Running 101 - Lower Pthumeru by Souls Pedia