he is using kill aura and anti knock-back and i think he should be banned thanks
video proof:

 

next time fill this out before reporting a player :

1. Your ingame name:
2. The offender's ingame name:
3. A description of what rule they broke/how they broke it:
4. Evidence/screenshots.

 

Thank you for the report. The reported player has been banned.
This thread as been moved to Reports - Banned.