You hit so many times it looks like a whirlwind slicing through enemies 

Quick slash

You can choose to deal 2d4 less damage on attacks but get 3 more attacks this turn 

Bladed escape

You can escape by attacking super fast this means if you take the disengage action you can do a attack on an enemy before leaving 

So many attacks

You have an additional attack when you take the attack action 

No escape

When you do a opportunity attack you deal 2d4 extra damage and cut the targets speed in half if you roll 4 above the targets armor class 

Blade tornado

If you are duel wielding You can attack every creature in a 15ft radius around yourself once with any weapon you can do this 2 times a long rest 

Heavy duel wielder

You now don’t need a weapon to have the light property to duel wield it just doesn’t need to be two handed

Defended attack

If you are duel wielding you can forgo your bonus action attack to get a plus 2 to your armor class 

Hinder slash

You can forgo two of your attacks when you take the attack action to hinder your enemy in one of these ways

1 you make them bleed making them take 1d4 damage each turn until they die or get healed and have a minus 4 to attacks

2 you cut there ankles making them only have 10ft of movement speed and a minus 3 to dex saves 

3 you slash there wrists making them drop there weapon and can not pick it up for 1 to 6 turns and have a minus 5 to strength saves 

4 you slash the eyes making them blind for 2 turns and have a minus 2 to con saves

Three sword fighter style

now if you are duel wielding if you attack with your bonus action you can do a attack with a light weapon and all your attacks get your bonus for that weapon even the duel wielded weapon and light weapon 

Boss slayer

Now if you are fighting one opponent and no other enemies are in 15ft of you then can use a action to attack that enemy 10 times and inflict it with two effects from hinder slash you can only do this your dexterity or strength modifier you choose -1 times per long rest