Base Class: Barbarian
You gain the ability to use magic mainly to enhance your blade
Soul link
You gain a connection to one of your weapons and it now count as a magic weapon and +1 to hit
Soul link prt 2
You now get a +2 to hit and a +1 to damage
Weapon eyesight
You can see through your weapon and you can move your weapon on itself.It has the same speed as you and to take an action takes your bonus action and it returns to you when it's done
Twice
You get two hits in weapon eyesight in one bonus action(and it takes your action to throw it)