Iron Door Key Bloodborne Wiki » Items » Key Items » Iron Door Key

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Basic Information

In-Game Description

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Availability

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Merchants

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Completionist Guide

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Datamined Item IDs

Choir Bell

In-game Art - Key Items

In-game Art - Key Items [datamined]

Items

Key Items

Nightmare of Mensis

Original Japanese Item Index

Progression Guide

Treasures

Basic Information

Icon	Name	No. Held	Stored	Availability	Opens	Special note
	Iron Door Key	- / 1	- / -	Nightmare of Mensis	Key to the gate blocking the great midlevel bridge	-

Iron Door Key ❘ 鉄扉の鍵	Key Item

In-Game Description Of the three great bridges that link the two cathedral cradles, this key opens the iron door that leads to the midlevel bridge. There are no thieves in the nightmare. Then, why lock a door? Be warned, there must be a very, very good reason. Note 1: The same in-game description in US & UK versions. ✓ Note 2: Original Japanese text on Original Japanese Item Index page. ✓ Opens Click for full resolution, © Bloodborne Collector’s Edition Guide by Future Press. Iron Door Key unlocks a small side gate to the Middle Bridge in the library where the first part of the Micolash fight occurs, but take heed of the warning - there is indeed an extremely good reason why this door is locked, and it is recommended to bring a few Sedatives with you if you plan to open it. If you decided to pick it up during or right after the fight with Micolash, Host of the Nightmare, you can return to access the Middle Bridge if you wish. At this time the Brain of Mensis is still in position on the bridge and it's extremely difficult to gather the items out there while that's the case. You'll have another chance to access the bridge later, after dealing with the Brain, so it's much safer to leave the items until then. With the Brain of Mensis dropped from its housing you're free to explore the Middle Bridge at your leisure, since there are no other enemies in the area. There are a large number of items to pick up from the corpses of the Brain's victims, including some more useful Droplet Blood Gems. If you go down the stairway near the end of the bridge, there's a path you can follow to reach the other side of the iron gate, leading back into the area where you faced Micolash. Near the center of the Middle Bridge there is a crumbled section of wall that you can walk through. This lets you reach the top of a room just to the side of the bridge, with a large hole in the middle, Look down over the edge first, and drop down very carefully. At the back of this room you'll find a precious Blood Rock, an item of extreme rarity. Availability Treasure in (Main Story): Nightmare of Mensis; you'll find this key on a corpse near the lower-most mirror during the second phase of your fight with the Micolash, Host of the Nightmare. If you need further assistance to find the key, you can follow the full Nightmare of Mensis Map. Notes Upon starting New Game+ all of the Key Items (except for Badges, Blood Gem Workshop Tool, Rune Workshop Tool, Short Ritual Root Chalice, Workshop Haze Extractor and Yharnam Stone) you acquired on your previous playthrough will be stripped away and you'll need to collect them again. Iron Door Key, in earlier development, used to be found in different spot in Nightmare of Mensis. [video]

Merchants

Shop	Buy (Day)	(Evening)	(Night)	(Red Moon)	(NG+)	Sell	Requirement
Bath Messengers [Hunter's Dream]	-	-	-	-	-	-	None
Insight Bath Messengers [Hunter's Dream]	-	-	-	-	-	-	None
Chalice Bath Messengers [Chalice Dungeons Common]	-	-	-	-	-	-	None
Patches, the Spider [Chalice Dungeons Rare]	-	-	-	-	-	-	None