Fel Domination
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Your next Imp, Voidwalker, Succubus, Incubus, or Felhunter Summon spell has its casting time reduced by 5.5 sec and its Mana cost reduced by 50%.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.