Dad's Key is an unlockable active item in The Binding of Isaac.
Opens all doors in the current room.
It can open:
• any normal door that is closed during combat;
• any door requiring a key/bomb/heart;
• Secret Rooms and Super Secret Rooms;
• Challenge Rooms and Boss Challenge Rooms;
• the door to the Mega Satan arena;
• the Boss Rush door from the inside;
• a mini-boss door from the inside;
• a boss room door from the inside (excluding Mom's room);
• the exit door in Greed Mode.
This page shows information as of the latest Repentance release.
To see latest up-to date information about this item for the new Repentance+ (Online Co-op) DLC, check this page instead.
Pick up both Key Pieces from the Angels in one run.
Dad's Key can be found in the following item pools:
Name | Weight |
---|---|
Treasure Room |
1.0/1.0
|
Key Master |
1.0/1.0
|
Greed Treasure Room |
1.0/1.0
|
Old Chest |
1.0/1.0
|
The following tags are applied to this item:
Id | Description |
---|---|
offensive | Can appear for ![]() |
The following special synergies and interactions for Dad's Key have been documented.
Mod | Item | Synergy |
---|---|---|
--- | Book of Virtues | Spawns wisps in the middle ring.
If a wisp touches a ![]() These wisps can open any type of door, including ones not normally accessible via Dad's Key. They cannot open ![]() ![]() |
* Note that not all possible synergies and interactions are listed here.