Five Black dragons
Select a hero with an open slot, then type 32167 on the map screen. This may be repeated for the other heroes in the party. Note: This code cannot be enabled in town.

Debug mode
Start the game with the /nwc command line parameter.

Cheat Codes
While playing a scenario, type one of the following codes. Note: Enabling certain codes will label you as a cheater on the high score screen.