Use the following combinations.

Magic + Book = Spellbook
Human + Magic = Elf
Dwarf + Axe = Warrior
Dragon + Warrior = Steak
Rogue + Dragon = Ash
Warrior + Priest = Paladin
Human + Spellbook = Wizard
Paladin + Wizard = Party
King + Party = Quest
Quest + Dragon = Mountain
Dragon + Mountain = Lair
Dragon + Party = Dead Dragon
Lair + Rogue = Secret Door
Warrior + Wizard = Adventurers
Dead Dragon + Party = Key
Key + Secret Door = Trap
Rogue + Trap = Maze
Maze + Party = Experience; Gold; Princess