Treasures of the Endless Skies

the 5 of you will have been asked to join the research crew of an eccentric scientist by the name of Dr Richard Marsenk as he tries to research the mysterious "land below the sky sea". As this is something that is definitely frowned upon by the world government, he can't exactly get the most reputable of help, though he promises a fair split on any treasure found (he's more interested in the research aspect of it).