THE BASIC PRINCIPLES OF GNOME WIZARDS

once you produce a gnome character, it's possible you'll select the deep gnome in its place towards the subraces while in the participant’s Handbook. Forest gnomes and rock gnomes are classified as the gnomes most often encountered inside the lands in the floor earth. There is an additional subrace of gnomes not often found by any surface area-d

They also have a chance to shell out a spell slot and create a new cannon (destroying the aged one, I've normally  flavored it as re-configuring it), so if you not need to have the additional temp hp, you could swap it being an motion by using a spell slot as you need to, to your Flamethrower if you are close up, or even the Force Ballista should