Celebrant's Skull is a Great Hammer (Warhammer) in Elden Ring. The Celebrant's Skull scales primarily with Strength and Dexterity and is a good Weapon for high strength players who can hold this weapon's weight. 

Elden Ring Celebrant's Skull Notes & Tips

• Weapon Skill: Barbaric Roar
• This weapon can be infused with Ashes of War and buffed with Magic and Consumables
• Celebrant's Skull can be upgraded by using Smithing Stones
• Grants 20 runes on any successful hit. (does not scale with rune acquisition boosts)
• Sell value: 

   100 Runes.

• It’s a low-weight option for Great Hammers.
• NOTE: As of Patch 1.08, Great Hammers poise damage has been reduced.
• NOTE: As of Patch 1.09, the scaling values of this weapon were changed. Please refer to the Upgrades Table of this weapon below. Additionally, speed, range, recovery time and guard counter speed of Great Hammers weapons has increased. 
• Other notes and player tips go here.

Celebrant's Skull PvP Poise Damage Values in Elden Ring

Patch 1.10 adjusted PVP Poise Damage of all Weapons including some Spells and Incantations. Please take note that these adjustments are exclusive to PVP.