As it says in the title the story will be about a group of alien/humans merc who are apart of a bigger PMC there ship's is damage after begin double cross by there last employer crash lands onto fantasy world. After they are found by a wizard who heals them and informs them that they must take part in an ancient prophecy to defeat a daemon lord. With only a prophecy to go by they set off on adventure across the world to complete there quest and survive thugs sent by the double crosser to silence them. 
Any one interested? Feel free to add suggestions and ask questions.