Enhanced Metal Plate 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
Enhanced Metal Plate is a rank 3 Hillwen Engineering recipe with a best success rate of 96% at rank 1 and dan ranks.
Materials
Each craft uses
30× Purified Enhancer — Fragment an Infernal Blade Fragment or similar Hard Mode dungeon drop.
50× Mythril Plate — re-refine from Mythril Ingot
50× Gold Plate — refine from Gold Ingot
50× Silver Plate — Refine a Silver Ingot into a Silver Plate using the Refining skill.
50× Copper Plate — Refine a Copper Ingot into a Copper Plate using the refining skill.
50× Iron Plate — refine from Iron Ingot (re-refining)