I've found that one of the best ways to dismantle an overblown ego is to play StarCraft (Brood War or SC2, the result will be the same) or really any other 1v1

I've found that one of the best ways to dismantle an overblown ego is to play StarCraft (Brood War or SC2, the result will be the same) or really any other 1v1 game. The direct feeling of being beaten, potentially overrun completely, time and time again, especially after putting in hard work is very humbling. Fighting games are very good for this except they've always invited a certain mental block in people where they'll declare certain things "cheap" and end up offloading a lot of the humbling experience and not take it to heart. This type of scrub mentality exists everywhere but in fighting games it seems to come extra easy to people, perhaps because they have too many potential things they can blame (tier of their character, match-up supposedly being bad, etc.).