Vulsive, The Thirsting Blade

In the endless battlefield that is Acheon, many a weapon a sang its war song on the many fields, but none sing louder, or enjoy the battle song of Acheron as Vulsive, the thirsting battle blade of old. It was forged slowly, as battle fields clashed together, Vulsive’s blade was hardened under the clashing of fields, its edge quenched with the blood of warriors, and wrapped in the flesh of those slain in combat. Vulsive was created by battle, and into battle it shall go.

Description

Weapon (Sickle), Artefact (cursed)

Vulsive appears as a white stone sickle with a straighter blade, battle scars chipping its body, but not its blade. It’s handle is wrapped in black fabric, scrawled with blood red runes and scripture from Acheron's forging.

You gain +1 to attack and damage rolls while wielding Vulsive.

Curse: As soon as you hold Vulsive in your hand, mystical bindings unravel from Vulsive and wrap around your arm, The blade then slowly sinks into your hand, leaving the bindings visible. Vulsive become automatically attuned to the first person to touch the it, and it cannot be unattuned until the wielder is targeted by a remove curse or similar effect.

Throw: Vulsive has the thrown property with a normal range of 20 feet and a long range of 60 feet. In addition, Vulsive returns to the wielder’s hand after the attack.

Demonic: This weapon deals 2d6 necrotic damage. This damage increases by 1d6 if the target is a Celestial.

Mystic Binding: When you take the attack action on your turn, you can forgo your attack roll to force the target of your attack to make a DC 16 Strength saving throw. On a failed save, the target is grappled by Vulsive and takes 1d6 force damage at the start of its turn. It can repeat the saving throw at the end of its turn, ending the effect on a success. In addition, you can use a bonus action to dispel Vulsive, causing it to disappear under its wrapping until you summon it as a bonus action.

Bloodthirst: When you reduce a creature to 0 hit points, you gain +1 to attack and damage rolls with this weapon. This effects last for 1 hour, and can happen multiple times, extending the duration for an extra hour. At the end of the duration, you take 1d4-1 psychic damage for each creature slain while bloodthirst was active. This damage can't be reduced or prevented in any way.

Sentience: Vulsive is a sentient lawful evil weapon with an Intelligence of 15, a Wisdom of 13 and a Charisma of 17. It has hearing and darkvision out to a range of 120 feet. Vulsive communicates telepathically with its owner, and can speak, read and understand Abyssal.

Personality: Vulsive reveals in bloodshed, hell bent on slaying everything that stands in its way, no matter the cost to the wielder. It speaks with a childlike voice, but says gruesome, awful things. In battle it laugh maniacally at each blow, revealing in the destruction. It urges its wielder to engage in combat, whenever possible. If the wielder actively avoids battle, a conflict occurs, with Vulsive, The Thirsting Blade attempting to take control of the wielder