Devonia's Hammer is a Colossal Weapon in Elden Ring. It is a brand new Colossal Weapon in the Shadow of the Erdtree DLC. The Devonia's Hammer scales primarily with Strength, Dexterity, and Faith and is a good Weapon for STR/FAI builds.
The Devonia's Hammer weapon can be found at the following location: Crucible Knight near Rauh Ancient Ruins, East Grace. [See Shadow of the Erdtree Map] [Video Link]
Weapon Skill: Devonia's Vortex
This weapon cannot be infused with Ashes of War
Devonia's Hammer can be upgraded by using Somber Smithing Stones
Other notes and player tips go here

Attack
Guard
Scaling
Requires
Skills: Devonia's Vortex
Damage Type: Strike
FP Cost: FP 16
Weight: Wgt. 20.0
"Great hammer wielded by Devonia, longest-serving of the Crucible Knights. Weapon forged of primordial gold, marked by its reddish hue and inhabited by ancient holiness. A torrent of life is engraved upon the striking face. "