v.118 - Champions Update Highlights

what is fusion anvil?

It's a NX cosmetic item for your equips. If you have a level 140 staff and you want to make it look like a level 163 elemental staff. You can use an Anvil to change the look of the level 140 staff to a level 163 one while keeping the stats of the level 140 staff. The change is permanent, but you can always change it again.