10 Gaming Boss Battles Ruined By RNG
6. Vagullion - Ys I
You won't find many RNG boss fights more vocally loathed than Ys I's Vagullion - aka The Awful Bat Boss That Everyone Hates.
The battle requires players to take on Vagullion while he swarms around the room as a fleet of bats before temporarily returning to his singular form.
The framework of the fight is governed by infuriatingly unfair RNG: the pattern of the bat swarm is randomised as is the brief window in which Vagullion reforms, ensuring you're entirely at the mercy of the randomised mechanics.
There's basically no way to telegraph what's going to happen, so winning the battle is more an exercise in luck and perseverance than outright skill, which surely isn't satisfying to anyone.