Thread:TSendas/@comment-26367952-20150504015807/@comment-26085442-20150504022344

The original text both uses katagana pronunciation / japanese meaning to describe Skill, like 《ファイヤーボール/火球》 = (Fire Ball / Ball of Fire). In this case, 'Heaven's Downfall' is meaning, Falldown is pronunciation so Falldown is right.

And please, do not believe the second-hand translation.