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From Pathfinder Impossible Magic, which isn't enabled.

Deathbane Crescent

ITEM 3
MAGICALSPELLHEARTVITALITY
Price 50 gp
Usage affixed to armor or a weapon
Bulk —

This crescent moon carved out of bone holds the power to turn back the undead. This spellheart covers any item it's affixed to with spiderwebs that reappear even if damaged or removed. The spell DC of any spell cast by Activating this item is 18.

  • Armor After you cast a vitality spell by Activating the crescent, you gain resistance 2 to attacks and effects from undead creatures until the end of your next turn.

  • Weapon After you cast a vitality spell by Activating the crescent, your Strikes with the weapon deal an additional 1d4 vitality damage until the end of your next turn.

Effect: Deathbane Crescent - Weapon

DC 18 basic Fortitude

Activate Cast a Spell
Effect You cast Vitality Lash.
Pathfinder Impossible MagicORC