You have a +2 bonus to attack and damage rolls made with this magic weapon.
As an action you may invoke the spirit of Argynvost as the blade becomes encased in glowing ice. As part of this transformation, your reach with this weapon becomes 10ft and when you hit with an attack, you deal an additional 1d6 cold damage. These effects last for 1 minute unless ended prior (no action required).
Proficiency with a Greatsword 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.
Graze. If your attack roll with this weapon misses a creature, you can deal damage to that creature equal to the ability modifier you used to make the attack roll. This damage is the same type dealt by the weapon, and the damage can be increased only by increasing the ability modifier.
Notes: Bonus: Magic, Damage, Buff, Combat, Heavy, Two-Handed, Graze