sorry if this is the wrong place to post this.
Recently i switched to steam os on my pc, installed battle net and everything went smoothly. I played in beta and i dont have issue but when i play on live my ping would shoot to 1000 to 4000. and it only smooth on the first 10 minutes or so. I dont know what else i should do so any help is appreciated.
things i tried
restarting.
Im using starlink so i tried to relocate the dish.
turning off firewall in my asus modem
turning off firewall in my pc
turning on and off qos
turning on and off ipv6
changing poton
I tried several ping checker and in my browser everything seem normal


thank you so much for the detailed guide.
i tried traceroute 1.1.1.1, i dont think i see any weird thing.
but when i do traceroute the wow server it suddenly stop midway and displaying *** until it stopped