In a Mini-Boss Room, any of the mini-bosses can be encountered, which consists of the Seven Deadly Sins, their Super variants, and Ultra Pride.
As opposed to most other special rooms, a player can't tell this type of room from the appearance of the door without items that reveal this information, like The Compass or Spelunker Hat, making the encounter a surprise. Once entered, all doors will be barred with two horizontal wood planks and metal, making it impossible to escape by blasting them open with bombs.
It has three properties that are shared with many special rooms:
- Not every floor contains a mini-boss room
- No floor may contain more than one
- It is always a dead end, except for a fight against Greed or Super Greed in the Secret Room.
Standard Mini-Boss Rooms can spawn on any floor up to Chapter 5. In Chapter 6, Mini-Boss Rooms do not appear except for Greed or Super Greed in the Secret Room. However, mini-bosses are frequently encountered as regular enemies.
Notes
- A door leading to a Mini-Boss Room cannot be bombed open.
- Using Dad's Key or a Get out of Jail Free Card can open the door.
Rooms | ||||||
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Unlocked | Boss Room |
Mini-Boss Room |
Curse Room |
Sacrifice Room |
Closet |
Grave Room |
Locked | Treasure Room |
Shop |
Library |
Planetarium |
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Slotted | Arcade |
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Barred | Challenge Room |
Boss Challenge Room |
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Double-locked | Vault |
Dice Room |
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Double-boarded | Clean/Dirty Bedroom |
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Hidden | Secret Room |
Super Secret Room |
Crawl Space |
Black Market |
I AM ERROR |
Ultra Secret Room |
Post-boss | Devil Room |
Angel Room |
Boss Rush |
Blue Womb Entrance |