Ancient Tech

So you find an odd metal crossbow in the dungeon that is so tiny it fits in one hand and has no bow. It's at least 10,000 years old and perhaps left here by the great gods from the stars.

Does the laser pistol work?

Ancient Technological Device Malfunction Table

1. The device works perfectly. The ancients really know how to build shit.
2. The device gives the user a shock that stuns them for one turn. The device otherwise functions perfectly.
3. The device works at half power. It does half damage, or the effect lasts half as long, or whatever the GM decides. The device also makes an annoying noise.
4. The device does the opposite of the original effect.
5. The device simply doesn't work. Nothing happens when you pull the trigger, push the button, or pull the switch.
6. The device lights up and makes a loud noise, but nothing else happens.
7. The device gives the user a shock that stuns them for one turn. The device is otherwise non-functional.
8. The device explodes, giving the user 3d6 damage, and everyone within 5 feet 1d6 damage.