Originally Posted by Fat Syberia
That's the risk you take by using the moves. An opponent using OHKO moves is something beyond your control.
An opponent using Hydro Pump vs Surf is also out of your hands.
Like I said, I can understand arguing that the reward is too high, but saying it's luck-based seems foolish when the game being played is Pokemon. It's an RPG series. Dice rolls have been part of the core of RPGs since the genre started.