Matryoshka is a trinket in Damnation, a mod for The Binding of Isaac.

+0.5 flat damage.

Upon room clear, 1/5 chance to open this trinket, turning it into a smaller Matryoshka and upgrade its effect:
• LV 2: +1 damage.
• LV 3: +60% damage multiplier.
• LV MAX: +300% damage multiplier.

Reset upon entering new floor.

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

* Note that not all possible synergies and interactions are listed here.

• Download Damnation from the Steam Workshop.