Blooded Blade

Plunge your weapon into the body of something YOU killed, absorbing all the blood in the body, and gain one effect depending on the spell slot used. Doesn’t work on undead, elementals, golems, or automatons.

Spell ends early if you drop the weapon, clean it, or your weapon makes contact with another type of creature.

Cannot cast if poisoned.

3rd - Do +1/2 that creature’s damage to all same type creatures for however many turns as the size of the creature. 

4th - Aborb the last magic this creature cast, and the spell/effect bonds to your weapon for however many turns as spell slots the creature had.

5th - Heal you, or a creature of the same race,  the full amount of that creatures original health.