Weekly Challenge Supply Pack II
Open to claim a type of advanced skill material of your choice:
Monument Bell x1
Unending Destruction x1
Dreamless Feather x1
Sentinel's Dagger x1
The Netherworld's Stare x1
When Irises Bloom x1
Curse of the Abyss x1
Details 
Category: Supply Chest
Rarity: 4
Background Description
Upon touching the chest, you hear what sounds like a battle hymn.