Blint's Kusarai-Gama

+ 1 weapon
Charges: 4(max), Recharges 1d4 on long rest.
On a successful hit you may expend a charge
to empower the weapon with life drain. Half
of damage dealt on hit will heal you
(max twice level).
In addition, you may use
your reaction to transfer this healing to an
ally within 30 feet of you.