You gain a +1 bonus to attack and damage rolls made with this magic weapon.

This weapon deals an additional 1d8 psychic damage to creatures with an Intelligence greater than 2.

When you hit an aberration with it, the aberration takes an extra 1d8 psychic damage. For the purpose of this weapon, "aberration" refers to any creature with the aberration type, including mind flayers and beholders.

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

Notes: Bonus: Magic, Damage: Psychic, Damage: Psychic, Damage, Combat, Versatile