Angles that made wrestlers

You recently addressed angles that ruined wrestlers. But what about angles that made them? Having been recently rewatching WWF from 1999, HHH debuting the sledgehammer and destroying Mankind’s left knee (shortly after the Greater Power storyline) seemed to be a real watershed moment for The Game, as up until that point he still looked like a jacked-up midcarder. Can you think of particular angles that made you sit back and think, “yep, this guy’s going all the way”?