Ultimate Geas Devastation Circlet is crafted with Magic Craft in Mabinogi. This page lists everything needed to make it, checked against the game as it exists today. The interactive planner lives in the Magic Craft Companion.
Recipe availability
Ultimate Geas Devastation Circlet is a rank 3 Magic Craft recipe with a best success rate of 96% at rank 1 and dan ranks.
Materials
Each craft uses
1× Geas Devastation Circlet
25× Prismatic Shard — Clear the Seven Nightmares raid for a chance at this drop.
40× Geas Core — Drops from Feth Fiada, Revived Illusion, or Seven Nightmares Tech Duinn missions.