Huge FPS drop after 30 minutes

[ZiK]

Match 26951450
I am Wraith

First time in more than 2 months. In general I have 130 fps
After 30 mins the game began suttering and it was unplayable. I was between 60 and 80 fps but impossible to do anything.

 

[ZiK]

Get a better PC poor kid

At least I can play I am not banned

 

[le-sky]

Same thing during every match I have to restart the deadlock