This Old Sword Was Once said to hold the power of controlling the earth it's self. But after the great calamity war, it was shattered now it is as useful as a paper weight. Unless it it combined with the other four then it's true power is shown.
Proficiency with a Shortsword 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.
Vex. If you hit a creature with this weapon and deal damage to the creature, you have Advantage on your next attack roll against that creature before the end of your next turn.
Notes: Finesse, Light, Vex