Possibly the Greatest Alchemist of All Time Temporada 1 Episódio 5

Takumi wants to upgrade their gear for their journey, so he seeks out mythril and admantite ores. After consulting with the Adventurers Guild, he accepts Quests to defeat monsters, gather Treant Wood, and escort a miner to excavate the ores. He plans to set out in three days time with the blacksmith, Dgambo.