>>534858234
From the get go, Alchemist and Armorer, If you want to make the Orchestrion rolls for current Extremes and the Barding/Trophies of the fights you NEED to have a Soul of the crafter on those jobs, or the game won't let you.

After that it's use is for Cosmic Exploration, having a Soul of the Crafter allows you to use Delineations, which let you use abilities after consuming one, pic related