Do event ascension items such as Golden Bear Lighter get removed from your inventory like other event items do once the event ends?
Best Craft Essence: Craft Essence Tier List
Miscellaneous - Craft Essences
Euryale
1-3 Star Servants Tier List
A Pilgrimage Towards Him
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)