Giant great blade, black as abyss as red blood like fog falls from it, there's a 5 orange eyes moving on it.
This blade that can be used to block attacks, for 10 AC for the user, and stun the foe for 1d4 rounds.
2d4 piercing damage, 3d6+10 poison and fire damage, you deal an extra 2d6 damage to any celestial and radiant creatures, as well store their soul.
The eyes can:
Burning (5 per day). When you hit a creature with this weapon, you can expend a charge to set it ablaze. It takes an extra 1d6 fire damage, and at the start of each of its turns it must make a DC 15 Dexterity check. On a failed save, it takes 1d6 fire damage. On a successful save, the effect ends.
Life steal(1 per day): When you hit a creature with this weapon, you can make it take a Con save with your wisdom, if it hits below. the blade can make it hit 0 hit points.