Improved Altam Greaves 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
Improved Altam Greaves is a rank 7 Magic Craft recipe with a best success rate of 95% at rank 1 and dan ranks.
Materials
Each craft uses
2× Ancient Magic Shyllien
2× Enhanced Mutant
10× Pure Metal Shard — open Intermediate/Advanced Baltane Supply Box
5× Medal of Courage — Open Advanced Baltane Supply Boxes earned from Baltane content.
1× Broken Guardian's Boots — Complete Baltane Missions or fragment a Yellow Echostone to obtain it.
10× Purified Soul Stone — Complete the Purify Avalon's Altar or Purify Avalon's Shore mission.