Originally Posted by Fat Box
30% isn't bad, its the chance thunder has to miss FYI.
That aside, I think skill swap can't be called useless at all, because things like slaking and shedinja could use it to great effect.
the only place where you'll ever see Thunder is on a rain team, where it never misses.
aside from Slaking Skill Swap is really lolworthy. Trading your Gengar's Levitate away for Machamp's No Guard? Why, TYVM.