(Mtoto beat me to it. Damn those catgirls are quick)
Ronberku took it and smashed it to pieces because he hates every magitek related weapon! No, I'm joking. The real explanation is below.
There was a quest with Hildibrand that took the player to Thanalan. Where our silly detective found the gunhalberd that a farmer had picked up. Although Hildibrand ended up accidentally using it and blasting himself into the sky. Afterwards we were left with no clue to what happened with his weapon.
Ronberku took it and smashed it to pieces because he hates every magitek related weapon! No, I'm joking. The real explanation is below.
There was a quest with Hildibrand that took the player to Thanalan. Where our silly detective found the gunhalberd that a farmer had picked up. Although Hildibrand ended up accidentally using it and blasting himself into the sky. Afterwards we were left with no clue to what happened with his weapon.