Egregor
Terrarian
People make ML out to be WAY harder than he is. Even on Expert. With some strategy, a makeshift arena, Pillar Tier Weapons, and buff potions he's not all that hard. Definitely doable, even to the new player. (Assuming they've played up to the point and understand generally how the game works) I do fully support the removal of any cheese strats. (I don't consider using an arena for helping dodge his attacks, i.e. dodging his laser beam via block wall to be cheesing, as arenas have traditionally been a part of Terraria boss strategy) Heck, I'd be totally fine if they disabled the Nurse during Moon Lord (Or during every boss fight for that matter).