Just beat ExpSupCal....
Tip: Step 1: Get Thorium Mod, Tremor, Spirit, and Crystillium, as well as Mutant Mod, Even More Modifiers, imkSushi Crafting Mod, and Wing Slot
Step 2: Kill Coznix and Ragnarok and get Apocalyptic Chariot
Step 3: Get Ember Staff, and a Necro Scroll equipment(not sure...