|Speed up + you feel elusive|
Mercurius is a passive item.
Effects[edit | edit source]
- Doors stay open after entering a room, even in rooms with enemies, allowing Isaac to leave any time.
- Increases speed.
Notes[edit | edit source]
- Isaac can enter Mini-Boss Rooms and Boss Rooms freely but cannot leave without finishing a fight.
- Locked doors, boarded doors, and Arcades still need keys, bombs, or coins to be opened. Challenge Rooms and Boss Challenge Rooms cannot be entered without meeting the health requirements.
- Isaac cannot exit Challenge Rooms and Boss Challenge Rooms without finishing the fight.
In-game Footage[edit | edit source]