Heya,

So after few months I decided to try L2 again on one czech x4 High Five server.

Well in short I'm too lazy to do the nobl manually so Im doing it through the Territory Wars (where it costs 100 TW badges).

Last time we took Goddard, so our clan was registered automatically, and I farmed 47 badges.

The question is: if we lose next siege, are we also automatically registered to the Territory War afterwards?

It is super important because I dont want to wait another 2 weeks for nobl

When you own a castle, you are automatically registered for territory wars in the respective territory.
When you don't have a castle, clan leader or those with siege privileges must register clan at territory manager.
Thats it.

Yeah but it also says it must be registered 2 hours before it starts... So no way to go on TW if we lose castle then?

Territory war is taking place every saturday from 20:00 server time. Sieges are on sunday.
So its not possible to miss it, because you dont have castle.
If you lost castle in sunday. in the next week you must register from tw manager.
Simple.