Why does Banishers: Ghosts of New Eden stutter when entering new areas?

Exploring new maps was torture because the screen stuttered every few seconds due to random read latency. I tried closing all startup items to free RAM, but the disk stuttering persisted, making it feel like a superficial fix. I then used the GamePP Resource Scheduler to boost I/O priority from Normal to Highest and cleared 12GB of cache. RTSS showed peak latency dropped from 110ms to 38ms, and HWiNFO confirmed temps at 46-52℃ with 35-48MB/s 4K reads via CrystalDiskMark.