Soul Blade (5e Spell)
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|Casting time:||1 bonus action|
|Components:||S, M (a drop of your blood on the blade of a bladed weapon)|
You touch a nonmagical weapon with that deals slashing damage. Until the spell ends, the weapon deal additional 1d6 necrotic damage, and you can absorb souls through the blade of that weapon. When you reduce a creature to 0 hit points with an attack from this weapon, the soul of that creature is trapped into the weapon, and you deal additional damage equal to 1d6 necrotic on successful attacks with it. Each additional soul trapped into the weapon increases the damage in 1d6, up to 6d6.
When the spell ends, the souls trapped onto your blade go to your body, as you gain 1d6 temporary hit points for each soul trapped on your blade at the end of the spell.
Once the spell ends, you are stunned for a number of turns equal to the number of souls trapped on the weapon. At end of each of your turns, you can make a Constitution saving throw against your own spell save DC to end the effect earlier.