@becherak if u want to tank Trial1 then better equip Black dragon or Iron Fotress with Omega Seal and see if they can tank...
the other way to beat trial1 is to use both Little Hobbit and Goblin, since they spawn fast so Colossus will have to attack them from time to time and then he cant go to ur hero, the other unit is ur choice of range units, but better be mage type since colossus have pierce def, and if u want safer then use vampire too :D
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