How to stop Tales of Arise from flickering during high CPU load combat?

It's ironic that with a tower cooler of this size, my CPU still hit 91-95℃ in combat, making effects flicker like a slideshow. I spent half an hour cleaning dust from the fins, but the temperature only dropped by 1℃, which felt completely futile. I used the GamePP Resource Scheduler to deprioritize background processes and set the game's main process to Realtime. The GamePP Hardware Sensor showed temperatures dropping to 78-83℃ and frame times stabilizing at 22-28ms per GamePP, with fans hitting 1800 RPM via Hardware Sensor.