The wood for this club is harvested from trees struck by meteorites. The shards of meteoric iron give the club sharp edged nodules along it's black length.

You gain a +2 bonus to attack and damage rolls made with this magic weapon.

You gain +1 to critical hit with this magic weapon i.e. natural 19+ will be a critical hit, or 18 if you already crit on a natural 19.

While attuned and wielding Dominator, the wielder is immune to Fear and being Charmed.

Dominator is a sentient chaotic neutral weapon with an Intelligence of 13, a Wisdom of 10, and a Charisma of 14. It has hearing and darkvision out to a range of 120 feet.

The weapon can speak, read, and understand Common, Its voice is often deep and rich tenor. While you are attuned to it, Dominator also understands every language you know.

Personality

Dominator speaks with an commanding tone, but is loudly supportive of it's wielder as long as the wielder is winning.

The club's purpose is to win. It doesn’t care how it wins, it just has to win. Each weapon chooses how it defines "winning".

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

Notes: Bonus: Magic, Immunity: Frightened, Immunity: Charmed, Fighter, Cleric, or Druid, Damage, Combat, Two-Handed, Push