It was a deep dive. The water towards the depths of the Oasis was foul- the mana was far too intense, a strange blackish thing, it wasn't normal mana. It was too concentrated to be normal, yet it wasn't pure mana either. It was corrupted. The water at this depth tasted of Iron. Perhaps there was a hidden vein here? Maybe. He glanced around and continued down. He slowly had to excercise his mana to form a shield about him. The water too had turned black now. A sip could kill almost anything. Further down. He had dived into an Oasis once before- out of sheer curiosity. He saw nothing different from his first dive. The water went deeper and deeper, until it finally ended in a little stream. He knew where the stream went. It connected to another Oasis. The current was powerful- powerful enough to move even him, despite his shields.