Bloodthirsty Glaive 2014
Weapon, rare, (requires attunement)
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
Reach
This weapon adds 5 feet to your reach when you attack with it, as well as when determining your reach for opportunity attacks with it.
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