Meanwhile, let's see what Zetork and Ersaor are up to. What is this argument about? You'll just have to keep reading and find out.
How does Zetork's brother know Maelstrom? That's a secret for another time as well.
All I will say is that Zetork is the younger brother and doesn't have as much experience as his sibling. A lot can happen in a world full of adventure and encounters don't always end in success.
Keep reading and learn more about this world rich in stories and adventures.