Dark Kain (boss)

Dark Kain is an enemy in Final Fantasy IV Advance and Final Fantasy IV The Complete Collection. He is fought in Kain's Trial at the Lunar Ruins. If the player doesn't use any offensive attack he will tranform into Lunar Bahamut. He can be defeated in this form with the help of Abel's Lance but if he is defeated while in this form Kain won't receive Grimoire LB and will not be able to go back to Kain's Lunar Trial ever again.