Castle sieges
Conquering
Only another noble without manor can place war axe declaration. It's also impossible place declaration on manors of other clan members or allies.
After drop, there is 3 days period. At place of dropping, starts build of HQ for coming Battle. Attackers need to provide logistics delivery to HQ camp for siege preparation, storage, foods, amunition, weapons, amora, siege weapons, etc...
If is there any allies which want add to attackers nor defenders, then they need drop their own Allies HQ and provide also logistics deliveries.