Lifedrain Patch

Lifedrain Patch is a hex in Dark Souls II.

Availability
Trade the Darklurker Soul and 5,000 souls with Straid of Olaphis.

General Information
Creates a swirling mass of darkness a short distance away from the player that lasts for 8 seconds. Anything within the area of effect will constantly take damage until they exit the patch, including the player. The amount of damage dealt is dependent of the number of souls the player has; the maximum cost being 3,000 souls. The spell's ability to have multiple patches out at one time is offset by its somewhat long cast time, reducing its effectiveness in battle.

Like all other spells, the amount of casts per slot increases upon reaching certain Attunement milestones: