Heartless Angel

Heartless Angel is a recurring spell in the Final Fantasy series. It brings the opponents HP down to 1, and is exclusive to antagonists.

Final Fantasy VI
First being called Fallen one renamed in the GBA version Heartless angel Reduces all opponents' HP to 1 representing angels coming down from above to do damage Kefka uses this in the final battle but also the Kaiser dragon and crystal dragon use this move.

Final Fantasy VII
in Final fantasy VII Heartless angel is only cast in the final battle against Bizzaro Sephiroth, and Safer Sephiroth.