Enhanced Shyllien 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
Enhanced Shyllien is a rank 3 Magic Craft recipe with a best success rate of 100% at rank 1 and dan ranks.
Materials
Each craft uses
70× Intact Shyllien
30× Purified Enhancer — Fragment an Infernal Blade Fragment or similar Hard Mode dungeon drop.
10× Awakened Strength Powder — Buy from Stewart's Secret Shop for 50,000 gold.