When it comes to Dominion, absent period for becoming dormant will be decided based on the Headquarters level. The absent period based on Headquarters level will be like below.

[The absent period based on Headquarters level for Dominion to become dormant.]

Headquarters Level: Absent Period

Lv. 1~5: 12 Hours

Lv. 6~9: 1 Day

Lv. 10~15 : 3 Days

Lv. 16~19 : 7 Days

Lv. 20~29 : 14 Days

Lv. 30 or above : 30 Days

Ex) The commander's dominion with Headquarters' level 10 will be dormant after being absent for 3 days. 

Dormant Commanders' Castles, Camps, and Lands will disappear from the field. The castle will be transferred to separated area safely and it will move on random location in the field once the commander returns.