Quote Originally Posted by Geo View Post
Check List for unlocking ONE Soul (made in order each item appear on the "item" tab):

1 million Gems

150 of each Elemental Fang
250 of each Idea Core
150 Holy Crystal of Light
150 Holy Star of Light
30 Evolved Grimoire
20 Book of Apotheosis
50 of each Main Quest material
10 Demonic Core
15 Orichalcon
150 of each Idea Regalia
3000 Eidolon Orbs
2 "Spirit Book"

Kitty posted those requirements on first post, but I wanted a way to quickly overview my inventory and check what I need to farm.
I made effectively the same post here. But I think you're not counting the required Soul weapon step.