>>26534777It sounds like he made the smart play by not locking himself into a move that would make him lose no matter what and instead picking a move with a good flinch chance. That's half the reason to take rock slide over stone edge on any pokemon, and you've just gotta accept that RNG is part of pokemon. Knowing when to trust chance is part of being skilled at the game, and if you're thinking in terms of "he must do one of two things! CHECKUMATU!!!" then you need to step up your game. Full paralysis also is one of the few things with even a hope of hindering stallmons.