Prehardmode
After killing Eye Of Chlutu, all Demon Eyes have 12% chance of spawning an Eye of Chlutu when killed
After killing Brain Of Chlutu, all Crimson Mobs have a 12% chance of spawning a Brain of Chlutu when killed
After killing Eater of Worlds, all Corruption Mobs have a 12% chance of spawning an Eater of Worlds when killed
After killing Queen Bee, all Jungle Mobs when killed will spawn 15 bees dealing 10 damage per bee.
After killing Slime King, all slimes when killed will explode, dealing 50 damage
After defeating Skeletron, all Dungeon Mobs have a 12% Chance of spawning a Skeletron When killed
Hardmode
After killing Wall of Flesh, all mobs other than the Red Devil have 100% chance of spawning a Red Devil when killed
After killing the Destroyer, all Corruption and Crimson Mobs have a 12% chance of spawning Destroyer when killed
After killing Twins, Demon Eyes, Wandering Eyes, and Zombies have a 12% chance of spawning Twins when killed
After killing the Prime Skeletron, all Dungeon Mobs have a 12% chance of spawning Prime Skeletron when killed
After killing Plantera, all Jungle Mobs have a 12% chance of spawning Plantera when killed
After killing Golem, all Jungle Mobs have a 12% chance of spawning an irreversable Enranged Plantera when killed
After killing Duke Fishron, all Ocean Mobs have a 32% chance of spawning Duke Fishron when killed
-All Prehardmode bosses will be replaced by their counterparts and will not stack (Demon eyes will NOT have 12% chance to spawn Eye Of Chlutu and The Twins)
-Bees will still spawn as normal when a jungle mob is killed
-Slime still explode
Lunar Events
When Vortex Pillar is killed, all Ranged Mobs have a 12% chance to spawn Moon Lord regardless of location
When Stardust Pillar is killed, all Mobs killed have a 12% chance to spawn a Duplicate Player that has the same weapon, ammo, and armor as you do, but negates 95% damage and does 200% damage to Duplicated Player
When Nebulae Pillar is killed, all Mage Mobs have a 12% chance to spawn Moon Lord regardless of location
When Solar Pillar is killed, all melee Mobs have a 12% chance to spawn Moon Lord regardless of location
When Moon Lord is killed, all Pre Hardmode Mobs and bosses will have 400% increased damage and 80% increased defense. All Hardmode Mobs and bosses will have 200% increased damage and 80% increased defence. Players defence will be increased by 25% totaling players defence to 75%.
All mobs have 8% chance to spawn moon lord when killed regardless of location or events.
All mobs have 16% chance to explode, dealing 500 damage but does not destroy tiles.
All mobs have 32% chance to spawn a Duplicate player that has same equipped Armor, Weapon, Accessories, and Potions, and Ammo. Negates 95% damage received, does 300% damage to any player, and rebounds 60% of damage received to the player.
Slimes when killed explodes that deals 100 damage
Bees will be upgraded to Wasps that has 200 Defense and 50 Attack.