From the developer:
A free massively multiplayer game where you can farm, build, role-play and quest. Search for the lost St. Eloi gem. This mysterious gem was shattered by the fairies to hide from the evil Ossanal who has invaded the world. You must recruit legendary heroes like King Leonidas, Genghis Kahn and King Arthur who will help you save this lost world.
-Enter a twisted fantasy where Ossanal and his undead forces rule
-Space-time travel to different ages
-Recruit legendary heroes like King Leonidas, Genghis Kahn and King Arthur
-Join an alliance to march towards victory
Source: The Developer Website.