Thorn

"You ever see that hand cannon Tex has? That thing's a Joker killer."

- The Drifter

Thorn is an Specialized Weapon Variant of the Awoken hand cannon Lumina. It was introduced in Call of Duty: Age of Extinction as part of the A Joker's Debt expansion, however it is unavailable for purchase in the Armoury and can only be viewed.

Weapon Perks
Mark of the Devourer is Thorn's first perk which allows its rounds to pierce and burrow into targets and deals damage to them over time. In addition, kills made with Thorn leave behind Remnants.
 * Mark of the Devourer

This weapon perk comes pre-unlocked on Thorn.

Soul Devourer is Thorn's second perk which allows its wielder to absorb the Remnants left behind after killing an enemy. Absorbing these Remnants will increase the potency of Mark of the Devourer and make it more effective.
 * Soul Devourer

This weapon perk is unlocked after killing 50 enemies with the "Damage Over Time" effect of Mark of the Devourer.

Crown of Thorns is Thorn's third perk where killing enemies with Thorn, they have a chance to explode and spread "Mark of the Devourer" thorns to nearby enemies, inflicting the "Damage Over Time" effect of the first perk.
 * Crown of Thorns

This weapon perk is unlocked after killing 150 enemies with the "Damage Over Time" effect of Mark of the Devourer.