Deadalus - The Binding of Isaac

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Beyond

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Deadalus is an unlockable passive item in Beyond, a mod for The Binding of Isaac.

Applies either Curse of the Lost! or Curse of the Maze! on each floor.

Increases the amount of normal rooms per floor by 40% to 70%.

Spawns bonus special rooms per floor, with detailed probabilities displayed below. Note that some rooms may not spawn due to lack of space or adjacency to spawn.
• Shop: 20%
• Treasure Room: 20%
• Secret Room: 100% (guaranteed)
• Super Secret Room: 50%
• Ultra Secret Room: 10%
• Arcade: 30%
• Library: 10%
• Curse Room: 50%
• Challenge Room: 50%
• Sacrifice Room: 50%
• Devil Room: 3%
• Angel Room: 3%
• Isaac's Room: 15%
• Barren Room: 15%
• Dice Room: 20%
• Planetarium: 3%
• Rotten Room: 100% (if unlocked or playing Tainted Rotten)
• Junk Shop: 30% (if unlocked or playing as Cross or Tainted Cross)

Defeat The Beast as Tainted Rotten.

Deadalus can be found in the following item pools:

Name	Weight
Devil Room	1.0/1.0
Secret Room	1.0/1.0

The following tags are applied to this item:

Id	Description
nogreed	Not available in Greed Mode.
offensive	Can appear for Tainted Lost.
summonable	Can be summoned via Lemegeton.
lazarussharedglobal	Passive effects (except direct stat changes) are shared between Tainted Lazarus' forms.

The following special synergies and interactions for Deadalus have been documented.

Mod	Item	Synergy
Beyond	Sin	60% chance to spawn a bonus Sin Treasure Room.
Beyond	Tainted Sin	60% chance at a bonus The Atoned Treasure Room.
Beyond	Breath of Life	100% chance at a bonus Respite Room (does not stack with Holy Card).
Beyond	Holy Card	100% chance at a bonus Respite Room (does not stack with Breath of Life).
Beyond	Mine Crafter	50% chance at a bonus Bomb Room (does not stack with XVI - The Tower).
Beyond	XVI - The Tower	50% chance at a bonus Bomb Room (does not stack with Mine Crafter).
Beyond	Audience	10% chance at a bonus Audience Room.
Beyond	Damocles	80% chance at a bonus Risk Room.