Forge in the deepest level of alturk this weapon carries countless arcane power that no one has ever seen in Gia before, a combination of demonic power and the finest steel, along with the materials of a meteorite to complement the white and blue color it has of the blade, a weapon such as this is perfect for a man who has lost his spark of fire in life 

Passive: gain a +3 bonus to attack and damage rolls made with this magic weapon. And while wielding this weapon any sort of magic damage form ANY spell add a 2d6 bonus magic

Blade surge -(1-8 charges)- the user steps back and flips the blade behind them charges the blade with the amount of charges the weapons holds (can exceed the limit by using third lvl spell slots), then swings blade to unleash two magic slashes that does d6 magic pricing damage and also travels up to 60ft in a straight direction, the damage roll is increased with the number of charges is used.However if the charges go over 5 the hit die will become a disadvantage roll.

Round trip-(2 charges)- lean back and raise the sword over the characters shoulders surge the weapon with arcane magic then the player get to chose the set location(30ft),once the location is set the player throws the blade towards the placement and floats there for 3 rounds and dose 4d4 slashing damage and the creature who is caught is stunned until the duration is up or the player re-calls the blade.

Primal installed( cost all charges)- the player channels all of their and the blades power to enter an empowered state of the blade, all attacks are consider advantage and the abilities now use third level spell slots and the teleportation range is double

With this item you can teleport anywhere in the world map or demi-plane (the character MUST know that a demi plane exist within it's sight). This active ability will cost spell slots.(5 in total) the teleportation can be use in shorter range as well but the range is limited to 35ft radius (no cost at all)

This weapon can be summon on hand, this will not effect inventory management

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

Notes: Bonus: Ability Checks, requires Arcane trickster 12 or higher, this will activate the passive power the magic weapon holds, the second attunement needs the player to slay a high-end demonic or abbysal or slay a warlok who'd patron is, Summoning, Damage, Buff, Combat, Versatile, Sap