Reach level 5 on a hero.
Reach level 15 on a hero.
Reach level 25 on a hero.
On four heroes, reach level 25.
Deal 5,000,000 damage with Flamethrower Towers.
Deal 5,000,000 damage with Explosive Traps.
Deal 5,000,000 damage with Lightning Strikes Auras.
Deal 5,000,000 damage with Cannonball Towers.
Defeat 100 Kobolds before they light their fuse.
Defeat 50 Witherbeasts before they finish burrowing.
Hit 10 critical hits in a row.
Equip a Mythical item in each item slot.
Activate 100 environmental traps.
Defeat 1,000 special enemies.
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