Geas Edge Cuirass (F) is crafted with Hillwen Engineering in Mabinogi. This page lists everything needed to make it, checked against the game as it exists today. The interactive planner lives in the Hillwen Companion.
Recipe availability
Geas Edge Cuirass (F) is a rank 9 Hillwen Engineering recipe with a best success rate of 96% at rank 1 and dan ranks.
Materials
Each craft uses
20× Eroded Mineral Chunk — Clear Feth Fiada, Revived Illusion, or Seven Nightmares on Normal or Hard.
16× Geas Edge Crystal — Drops from Feth Fiada, Revived Illusion, or Seven Nightmares on Normal or Hard.
35× Geas Core — Drops from Feth Fiada, Revived Illusion, or Seven Nightmares Tech Duinn missions.
10× Finest Fabric — weaving on a loom, higher rank