PANDEMONIUM WARDEN (FINAL FANTASY 11)
We’re not done with Final Fantasy just yet. Final Fantasy 11 was the series’ first ever MMO outing, and in many, many ways, that game combined the series and the genre’s worst tendencies. Take the boss fights against the High Notorious Monsters, for instance. Both of these were a nightmare, especially at launch, but the Pandemonium Warden in particular was a ridiculous boss. It had twenty different forms, each with sizeable pools of health, it could summon other enemies with decent HP bars of their own, and of course, it dealt its own significant damage as well. Players would go for hours upon hours upon hours and still be unable to beat him. Things eventually got so bad that for the sake of the health of the players, Square Enix had to significantly nerf the boss fight.