A massive Blueish gray steel long sword that although it's size holds the weighs the same as a long sword it has shards of perma frost forming on it and has a blood red gem embedded in the blade with the entire blade wrapped in bandages.
Proficiency with a Longsword allows you to add your proficiency bonus to the attack roll for any attack you make with it.
This weapon has the following mastery property. To use this property, you must have a feature that lets you use it.
Sap. If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn.
Notes: Resistance: Fire, Vulnerability: Cold, Once you've gain attunement to the blade your soul and the balde become permanently entangled., Versatile, Sap