Perseus Thundering Dual Guns 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
Perseus Thundering Dual Guns is a rank 9 Hillwen Engineering recipe with a best success rate of 95% at rank 1 and dan ranks.
Materials
Each craft uses
15× Functional Geata Fragment — Feth Fiada raid drop
3× Misty Red Gem — Tech Duinn hard difficulty mission drop
45× Vengeance-Imbued Alchemy Crystal — Hard Tech Duinn missions drop
45× Vengeance-Imbued Blade — Hard Tech Duinn missions drop
45× Vengeance-Imbued Old Tree Fragment — Hard Tech Duinn missions drop
10× Finest Firewood — Carpentry production (refined from Firewood)
10× Large Nail — hit props (lamp posts, signs, statues) or common low-level monster drops
3× Tanzanite — Use Metallurgy at South Connous Beach at night while it is raining.