Using Lucius's Identity

Plop! Plop! 

Both of them fell to their knees again with shocked looks as Gustav dashed forward while tightening his grip around the atomic blade.

[Combination Has Been Activated]

[Sprint +Dash]

Sweeeiiii!

His speed was like a blur to them as he zig-zagged across the place, and before they both realized it, they saw their vision tilting.

'So this how it ends?' This was the thought on both their minds just before their vision blacked out.

Plop! Plop!

Two heads and headless bodies fell to the ground completely with blood jetting out as Gustav appeared on the far end of the street as the atomic blade in his grasp slowly began to disappear while the blood surrounding it disintegrated into thin air as well.

He retrieved his Yarki to save energy before walking towards the headless body of both Sir Lucius and the other gigantic mixedblood.