Mace of the Elemental Hunger - Pathfinder 2e (Patreon)

Item 9

Tags: Evocation, Magic, Shove

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At first sight, this +1 striking mace appears to be made of stained glass, but you are mistaken if you think of it as a fragile weapon. It is built with a material as strong as diamond and is especially susceptible to elemental magic.

This magic weapon is enchanted to be able to absorb elemental damage. Once a day, when you are affected by acid, cold, fire, or electricity damage you can use a reaction to reduce 1d6 from that damage allowing the mace to absorb the elemental energy. After that, for 1 hour, the weapon gains the corresponding rune:

Acid Damage — Corrosive Rune
Fire Damage — Flaming Rune  
Cold Damage — Frost Rune
Electric Damage — Shock Rune 

Activate: Reaction Frequency: Once per day Trigger: You are affected by acid, cold, fire, or electricity damage