Beat the sappers level in normal mode

Have a furious unit leaving your dungeon

Have at least 20 imps

Beat the thieves level in normal mode

Create an army of at least 20 skeletons

Find an ethereal imp in a secret room

Kill a creature by throwing with too much strength

Beat the priests level in normal mode

Beat the golems level in normal mode

Beat the frontier level in normal mode

Beat the necromancy level in normal mode

Have at least of unit of each type in your dungeon

Beat the freedom level

You ate a creature to get some mana back

Have a room of every type in your dungeon

Beat the isles level

Beat the fortress level

Beat the raids level

Beat the ensnare level in normal mode

Beat the final level

Beat the stars level

Beat the canyon level

Beat the reaper level

Beat the besieged level