Claws in Elden Ring: Nightreign are fast, short-reach weapons that excel at applying status effects like Bleed through rapid slashes. They can be easily powerstanced by two-handing a weapon. Their aggressive moveset allows for high damage output, but they do not inflict much stagger and poise damage. Claws are good weapons for builds that focus on inflicting status effects, such as Poison or Bleed.
NightreignClaws - Nightreign Wiki

Bloodhound Claws
Claw • Lvl Required 3
Weapon Skill: Bloodhound's Step
Skill that allows the user to become temporarily invisible while dodging at high speed. Moves faster and travels farther than a regular quickstep. This skill can be used to circle around lock-on targets.
Large curved claws used by Bloodhound Knights. The curve allows the weapon to slip through an enemy's guard.

Hookclaws
Claw • Lvl Required 1
Weapon Skill: Quickstep
Skill prized by the crafty and fleet of foot. Perform a quickstep maneuver that allows for circling around lock-on targets.
Weapon worn on the fist comprised of sharp parallel blades favored by those who lurk in the dark. Lacerations cause blood loss with great effect. Claw weapons come in pairs, and two-handing this weapon will equip it to both hands.

Raptor Talons
Claw • Lvl Required 7
Weapon Skill: Quickstep
Skill prized by the crafty and fleet of foot. Perform a quickstep maneuver that allows for circling around lock-on targets.
Claw comprised of two sharp, thin blades, wielded by the assassins of Ravenmount, this weapon allows them to imitate the attacks of Deathbirds. Besides excelling at airborne attacks, its charge attack mimics the vicious swoop of a bird of prey.

Revenant's Cursed Claw
Claw • Lvl Required 1
Weapon Skill: White Shadow's Lure
Hold armament in a brief, silent prayer to create a white shadow. The apparition lures in foes of human build, drawing their aggression. Effective regardless of combat state.
A silver accessory that attaches claws to the ring and little fingers. A lady bore the claw before meeting a horrific death, which transformed the claw into a fetish. Swing to slash enemies apart. Only the Revenant can make proper use of this weapon, owing to her resonance with the spiritual. For other warriors, the claw is reduced to a blunt instrument.

Venomous Fang
Claw • Lvl Required 3
Weapon Skill: Quickstep
Skill prized by the crafty and fleet of foot. Perform a quickstep maneuver that allows for circling around lock-on targets.
One of the weapons designed for gladiatorial combat. Used by duelists who were exiled from the colosseum. The black fang protruding from the bronze snake head is coated in deadly poison.