Ehm, I don't like wow, but this game if you compare it to wow, is a insult for wow... because it is BAD made... and if I say bad, I MEAN BAD! :O
...And that's how he got the sprites, in case you wondered. Meh, probably isn't illegal, but his idea for a game isn't very creative or original, at all. It's like a crappy version of WoW.