Regen IV is a White Magic spell from Final Fantasy XI. It gradually restores the target's HP. It can be used by level 86 White Mages and level 79 Scholars, and can be bought from the merchant Gekko at Port Jeuno, costing 50,400 gil. It has a casting time of 5 seconds, a recast time of 24 seconds, and a duration of 60 seconds.