http://o54hon2e2vj6c7m3aqqu6uyece65by3vgoxxhlqlsvkmacw6a7m7kiad.onion/en/blog/2021/9/2/limitations-split-tunneling
It also uses DNS to assign servers to its players. Because of this, it will pick the server closest to your VPN location, in this case California. So even though your gaming traffic is traveling outside of the VPN tunnel (thanks to split tunneling), it's being sent to a server far, far away.