History
This is an heirloom passed down through generations of fighters. This had made it's way to a Goliath tribe. This sword glows with a black hue to it and seems to be filled with the soul fragment of a long dead warrior.

This Nodachi is used as a greatsword but it is considered a finesse weapon.

Court of the Elements

Level Requirement: 10+

Spirit Cost: 0 Spirit Points

Each time you attack, you choose whether it deals fire, cold, lightning, acid or slashing damage. 

Whenever you score a critical hit, roll a d6 on the Court of Elements row of the Servitors chart. A tear opens to the elemental plane of Quintessence and the rolled servitor steps through. This servitor fights for you and obeys your commands. They return to Alloy, the Burning City, after 1 minute or if they drop to 0 hit points.

While attuned to this weapon you can cast Absorb Elements at 5th level once per long rest.

Blood Drinker

Level Requirement: 10+

Spirit Cost: 7 Spirit Points

If the d20 roll for an attack made with this weapon is a 19 or 20, you gain temporary hit points equal to the damage dealt by this weapon, rounded down.

Indomitable (Rank 2)

Level Requirement: 10+

Spirit Cost: 3 Spirit Points

When you are reduced to 0 hit points, you can immediately take the Attack action using this weapon before you fall unconscious.

Mobile (Rank 2)

Level Requirement: 15+

Spirit Cost: 7

Your base movement speed is increased by 10 feet.

Level Requirement: 5+

Spell Store (Rank 3) (Haste)

Level Requirement: 5+

Spirit Cost: 6 Spirit Points

Limited

You can use an action to cast this spell from the weapon. You must complete a long rest before you can use this ability again.

Polymorph

Level Requirement: 20+

Spirit Cost: 0 Spirit Points

This weapon has been merged with a human who is able to cast the polymorph spell. This weapon can now function as a glaive or greatbow. The weapons damage die and stats are shown below. The user can use their reaction to change the form of the weapon by speaking to the person inside.

Glaive: 1d10 || Reach || Two Handed

Greatbow 1d12 || 120(300) || Two Handed || Heavy

 

Traits

Battlebred: The weapon will glow a sinister black color around areas that have experienced bloodshed in the last week.

Violent: When you are presented with the options, the weapon will try to subtly push you in the direction that would see more bloodshed.

 

Proficiency with a Greatsword allows you to add your proficiency bonus to the attack roll for any attack you make with it.

Notes: Weapon Property: Finesse, the wielder passing down this sword to the next user, Heavy, Two-Handed, Graze