Zudanaichi

Zudanaichi is a sentient magic longsword. It was first encountered in Archon's Knot. It showed the party visions of a group of legendary heroes fighting the Lich Ultimas.

Description
Zudanaichi is a powerful longsword forged when the spirit of a legendary rogue merged with her own blade.

You gain a +2 bonus to Attack and Damage rolls made with this magic weapon and deal an additional 2d8 lightning damage on a hit.

Lightning Crescent : You can use an action to swing Zudanaichi and send out a crescent of lightning energy at an enemy. Make a ranged weapon at a creature within 60 feet of you, on a hit they take 2d8 lightning damage.

Beguiling : As long are you attuned to Zudanaichi you have a charming aura about you, everyone finds you objectively attractive. As an action you can cast Charm Person or Suggestion. You use your charisma modifier for the spell save DC. Any humanoid you target with either of these spells had disadvantage on their save. You can use this feature three times per day.

Sentience : Zudanaichi is a sentient weapon of chaotic neutral alignment, with an Intelligence of 15, a Wisdom of 11, and a Charisma of 18. It has hearing and Darkvision out to a range of 60 feet.''' The weapon communicates telepathically with its wielder and can speak, read, and understand Elven.

Personality : Zudanaichi’s purpose is to help her wielder achieve fame as a great adventurer.