Frozenolver

The Frozenolver is a Pre-Hardmode gun weapon. Although it's simple and weak, it's very effective in early pre-hardmode due to it being very easy to make, and pairs well with the Frozen Bullets.

It is made using 25 Ice blocks and 5 Snow blocks at a Workbench. Thankfully, our character is a master in DIY and is even able to make intergalactic rifles using only a few weird fragments.