Andúril, Flame of The West

You gain a +4 bonus to attack rolls and damage rolls made with this magic weapon. When you hit a Humanoid with it, that creature takes an extra 1d10 Radiant damage. If the Humanoid is an Orc, the creature instead takes an extra 1d10 Radiant and 1d10 Fire damage.

While you hold the drawn weapon, it creates a 10-foot Emanation originating from you. You and all creatures Friendly to you in the Emanation have Advantage on saving throws against Death Saves. If you have 17 or more levels in the Paladin or the Ranger class, the size of the Emanation increases to 30 feet.

 While wielding this weapon you have immunity to being frightened.

“The Sword of Elendil was forged anew by Elvish smiths, and on its blade was traced a device of seven stars set between the crescent Moon and rayed Sun, and about them was written many runes; for Aragorn son of Arathorn was going to war upon the marches of Mordor. Very bright was that sword when it was made whole again; the light of the sun shone redly in it, and the light of the moon shone cold, its edge was hard and keen. And Aragorn gave it a new name and called it Andúril, Flame of the West.” 
― The Lord of the Rings

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

Notes: Damage: Radiant, Damage: Fire, Immunity: Frightened, Class Profiecient with Martial Weapons and a Character of Neutral Good or Lawful Good, Versatile, Sap