through time gnomes maintained a abundant oral custom, but mostly lacked a recorded history they usually were being rarely talked about while in the historic texts of other races. for this reason, it had been unidentified when exactly gnomes initially emerged on Toril and migrated throughout Faerûn.[29] One historic text noteworthy for talking abo

They even have the chance to invest a spell slot and create a new cannon (destroying the previous 1, I have always  flavored it as re-configuring it), so in case you now not need the additional temp hp, you could switch it as an action by using a spell slot as you need to, towards the Flamethrower if you're close up, or the Force Ballista in case