Golden Bolt 2014
Weapon, uncommon, (requires attunement)
You gain a +1 bonus to attack and damage rolls made with this magic weapon. This crossbow doesn't have the loading property, and it doesn't require ammunition. Immediately after firing a bolt from this weapon, another golden bolt forms to take its place.
Properties
Loading
Because of the time required to load this weapon, you can fire only one piece of ammunition from it when you use an action, bonus action, or reaction to fire it, regardless of the number of attacks you can normally make.
Two-Handed
This weapon requires two hands when you attack with it.
Source: Vault of Magic (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details