Lena meets an old man who says he's just a traveler. Lies and then says he's actually a famous dead scientist who can create water.
Then he lies again and they use him as bate to draw in the sphere. He later tries to redeem himself by saying that he might be able to remember the formula that was written on the scientists chalk board. Mahad and the others manage to figure out that he's a fake thanks ot vector. They manage to make him confess. He actually is just a delivery man who was dropping off an award for the scientist. The scientist was targeted by the sphere and was blown up. The delivery man took this as an oppertunity to assume his identity. Now that con man tries to fool others including the sphere. If water was a free unlimited source people would revolt back to the way they were.