Brick Hammer - Elden Ring: Shadow of the Erdtree Database

Lore

Weapon made from an ordinary stone brick. Wielded by a laborer who lead a rebellion, and later become a champion himself.

Even among other bludgeons of its size, this weapon is especially weighty. The strength of a giant is required to wield it.

Barbaric Roar Ash of War

Loated at Stormveil Castle.
In the Wine Cellar - Use the Rusty Key to access the ladder behind a locked wooden door to reach the top floor of the Wine Cellar.
This weapon is found on a corpse at the dead end to the right from the archway past the ladder.
You must jump across the final platform through a hole in the wall. A Castle Guard is outside, and another guards the corpse holding the weapon.

Weapon Skill: Barbaric Roar
This weapon can be infused with Ashes of War and buffed with Magic and Consumables
Brick Hammer can be upgraded by using Smithing Stones