Katana forged of glintstone.
Masterpiece of a Sellian swordsmith.
Light enwreathes the blade when sheathed, explaining its Moonveil moniker.
WHERE TO FIND MOONVEIL IN ELDEN RING
In Elden Ring, Moonveil is a Katana. The Moonveil is a strong Weapon for dealing melee Slash and Pierce Damage in combat and scales largely with Strength, Dexterity, and Intelligence. Its accompanying special talent allows the user to quickly draw the weapon for an instant slash attack while also firing a wave of light.
You can find the Moonveil weapon in the following location:
Drop from Magma Wyrm found in Gael Tunnel – Caelid