CPU Temps Randomly Fluctuating

No, it’s the bios that is responsible for the processor. Most likely it is trying to overclock one core and it is getting extreme temperatures there. And for such a processor the manufacturer recommends water cooling.

A game can’t heat something up, it gives it a load. If you have high temperatures, it is a mismatch between the cooling system and the processor or the system is not configured correctly. In your case, it’s both.