The Ancient Elementals

 Added: The Commander, Rootbound, Insane Scientist, Chainmaster, The Dragon God, Grief Mode, A new type of item called a core, A new type of item called an essence, Wasps, King’s Scrolls, Bark, Energized Lab Plating, Scraped Lab Plating, Broken Lab Plating, Dark Lab Plating, Lab Defense Turret, Elemental Item Tier, Soldier Knife, Bladerain,  Soldier Flail, Dragon Eyes, Redwood Forests, Rycto’s Ultiblade, Rycto’s Broken Blade, Diamond Nugget, Fragments of Artifact Bosses, Chain Ritual Candle, Declaration of War, Odd Sapling, Mysterious Vial, The Universe, 2 Lore Books, Wither Infection System, Wither Cure, Commander’s Gun, Aerostone, Watcher, Incinerator, Legend’s Crown, New Lab Structure, Arsenal Railgun, Void Goggles, Shattered Creator's Armor, And Flower Hammer

Early endgame progression is now completely different.

Changed bosses: The Creator Clone, Rycto, Primordial Guardian, and Frost Knight

Changed some textures

Put difficulty ratings in summon descriptions