Massive Despair Hammer 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
Massive Despair Hammer is a rank 7 Hillwen Engineering recipe with a best success rate of 85% at rank 1 and dan ranks.
Materials
Each craft uses
2× Fused Hillwen Alloy
1× Subtle Mark — Hard Mode Dungeon / Rabbie Phantasm Dungeon reward
25× Frosted Borealis Crystal — hard/elite shadow mission or advanced hard mode dungeon reward
10× Teardrop Gem — buy from Trade Assistant Imp / Iria Trade Merchant for 35,000 Ducats
1× Black Chain
20× Thornbush Mineral — Clear Alby, Ciar, or Rundal Advanced hard mode dungeons for a chance at it.