Help me figure out why I have gaming latency

[Lynx]

You can configure pbr like this:

Set different Upstream for specific source IP

In addition to the above perhaps this example might help provide inspiration: The idea is to set a routing table for each interface and then set rules for routing packets through each interface. I think the reason your rule above doesn't work is because it lacks a routing table for VPN. So I think you should label tables as described here: Here are mine: root@OpenWrt:~# cat /etc/iproute2/rt_tables # # reserved values # 128 prelocal 255 local 254 main 253 default 0 …

If it works then a way forward would be to rent vps and use that for your gaming addiction I mean hobby.