Its simple to get this achievement, you can follow these steps:
QUEST: SAVE THE PRINCESShuman + sword = warrior
priest + dragon = ash
book + magic = spell book
spell book + human = wizard
human + magic = elf
warrior + priest = paladin
warrior + wizard = adventurer
paladin + wizard = party
party + dragon = dead dragon
adventures + dragon = ash, steak
dead dragon + party = key
king + party = quest
adventures + quest = experience, gold
dragon + quest = mountain
dragon + mountain = lair
lair + rogue = secret door
secret door + key = trap
trap + wizard = ash + maze
maze + party = experience + gold + princess
trap + warrior = corpse
Thank You