Board Thread:Roleplay/@comment-32932951-20190209153150/@comment-36289716-20190223210632

Well not this Heartless. The part he hits, let's say the drill part, knocks him back. You know, like the invulnerable part of a Heartless from other kingdom hearts games.

The weak point is eventually revealed, though since the drill is going so fast, it'll be impossible to hit without a time stop spell.