He calls it a stick thingy at first and then almost kills the group by firing a shot.
It doesn't seem to come up in the comic after Max dropped it in his EoW fight.
- In-game, the weapon is only used for battling and deals with no environmental damage. But in the comic, June smashed the orb with the musket, thus awakening the Eater Of Worlds.
- Maxx uses it (for quite a while) to break the Eater of Worlds' heads.
- The gun gets knocked out of Maxx's hand and lands in front of June in comic 195