Very weird and worrying issue details below.
this started a couple days ago. I'm going to try and explain as best I can but it's a very odd issue that's hard to replicate because it seems very random. when I play game my system will randomly just crash as seen in the video.. sometimes my friends and I will go 30 splitscreen rounds and sometimes it happens instantly.
I've tried/tested things such as
Thermals - all of my thermals / hardware in general seems normal before crash. I was watching mangohud while playing
Power Supply - while this still is my beat guess at the issue I did unplug every thing expect for my controller / k&m. I do usually have a ton plugged in 2 wireless recievers for k&m, 1 Bluetooth dongle, 1 long USB c, 1 long micro usb, 1 wireless reciever / battery charger for turtle beach stealth pro headset, HDMI for my main monitor, 2nd HDMI for crt, and my external HDD.
SPECS: 650w power supply, Intel i9 9900k cpu, amd 6600 Rx GPU, and 32 gb ram
Things to note: I've used cachyos for about 2 months this only recently started happening a few days ago and the only variable that's changed is I got no internet right now so I use my phones 5g set up into a proxy that I use for catchy updates and Firefox browser. I can't get proxy to work system wide so I cannot use cachy update to update my system. I use sudo ALL_PROXY pacman - Syu. dunno if that can mess anything up. Thanks everyone for helping in advance for this incredibly frustrating problem I'm having.