Bloodthirsty Crossbow Heavy 2014

Weapon, rare, (requires attunement)

Rarity: Rare
Category: Weapon
Attunement: Required
Damage: 1d10 piercing

This magic weapon bears long, branching channels inscribed into its blade or head, and it gives off a coppery scent. When you damage a creature that has blood with this weapon, it loses an additional 2d6 hit points from blood loss.

Properties

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