More upgrades become available as you build and improve your town.
Everything he does is for gold! Only 4 spells can be brought into battle though, so choose wisely!
Multiple different game modes: Classic, Challenge, Survival, Maze, Hero Defense, Attack Defend (Also used in PvP,) and Co-op missions. Levels have a lot of possible solutions but, with so many combinations, you're going to need to perfect your strategy to master them. Seek out the assistance of helpful allies, such as dwarves, amazons, and sorceresses.