Gauche is gravely injured in the fight against Dante which causes Asta's devil powers to go berserk.

He completely loses himself and relentlessly attacks Dante! But Dante becomes even stronger and Asta ends up on the ground. Then Captain Yami and Finral show up to the scene shocked and Yami is instantly enraged and joins the fight! Meanwhile, the Heart Kingdom is under attack by Vanica and her subordinates and the Spirit Guardians went to fight them, but Vanica's subordinates who had been given devil powers were far more powerful than expected, and...
He's using his gravity to control 
the speed of his sword strikes.
.إنّه يستعمل جاذبيته للتحكم بسرعة ضربات سيفه
Er kann also die Geschwindigkeit seines Schwerts
mit der Schwerkraft frei kontrollieren.
Con la gravedad controla
la velocidad de las estocadas.
Con la gravedad controla
la velocidad de las estocadas.
Ce mec attaque à l’épée comme il veut
grâce à la gravité.
Sta manipolando la gravità 
per accelerare la velocità dei suoi fendenti.
Ele está usando sua gravidade para controlar
a velocidade dos golpes de sua espada.
а всё равно из-за гравитации
постоянно меняет скорость ударов!