Prime Ring - The Binding of Isaac

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

If one enemy's HP value is a prime number (ignores float value), they takes 3x damage.

The following special synergies and interactions for Prime Ring have been documented.

Mod	Item	Synergy
---	Trinket multipliers	If one enemy's HP value is not a prime number, for every divisor that value has, deals 1 additional damage to that enemy.
Fiend Folio	Fuzzy Pickle	This item is a reference to Dice a Million (+0.25 damage).

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