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IV - The Emperor? consumable
IV - The Emperor? is an unlockable consumable in The Binding of Isaac, added in the Repentance DLC.
Description
Teleports Isaac to an extra Boss Room that is not part of the floor layout. The room is chosen from the boss pool 2 floors deeper than the current floor (cannot be a final boss).
Defeating the extra boss will spawn an item normally, but no trap door or Devil/Angel Room can appear there. Isaac can exit the room normally to get back to where he was previously.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this consumable for the previous Repentance version, check this page instead.
How to unlock?
Defeat Ultra Greedier as Tainted ???.
Special synergies
The following special synergies and interactions for IV - The Emperor? have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Tarot Cloth | No effect. |
| --- | Blank Card | Mimic recharge time: 2 rooms |
* Note that not all possible synergies and interactions are listed here.
Internal item description
Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.
IV - The Emperor?
• Teleport to an extra boss fight with a monster from 2 floors deeper
• Blank Card: Recharge 2
Sounds
The following sounds are related to this consumable.
External links
- Check out the consumable description on the external Isaac Wiki.
I - The Magician? 
II - The High Priestess? 
III - The Empress? 
V - The Hierophant? 
VI - The Lovers? 
VII - The Chariot?