Weekly Challenge Supply Pack IV
Open to claim a type of advanced skill material of your choice:
We Who Question x1
Gold in Memory x1
Curse of the Abyss x1
When Irises Bloom x1
The Netherworld's Stare x1
...
Details 
Category: Supply Chest
Rarity: 4
Background Description
Upon touching the chest, you hear what sounds like a battle hymn.