Hi,
Did find a launcher -> [https://github.com/Ourouk/nostalgia-launcher]
OctoWow Json specific -> [https://paste.ononoki.org/?bf10074dbf4e ... r8oe2jj81j]
I did extract the links from the official launcher to this one and it work on linux !
With the package umu-launcher for to manage wine.
After since it support u can configure, multiple servers. I use it to switch quicly between servers when there is ddos.
Cheers !