Devour Magic

Warlock Invocation
Level: Greater, 6th lv.
Components: V, S
Casting Time: 1 standard action
Range: 100ft+10ft/2lv
Duration: Instant
Saving Throw: None
Spell Resistance: Yes

You can use the targeted version of dispel magic with a touch. You gain 5 temporary hit points for each spell dispelled by this touch, which last for 1 minute. If you devour a new spell you can replace the old hit points with new ones. You cannot devour your own invocations.

(Complete Arcane, Page 134)