well, to change to the specific player that entered the region you would set up your trigger as event: any player enters (your region)
actions: change unit ownership (change the "unit" to all units in region 'your region') to player (change the value "1" to triggering player)
since you want the change to be permanent i would suggest then adding the action:turn current trigger off"
@Xenion1103: Go
well, to change to the specific player that entered the region you would set up your trigger as event: any player enters (your region) actions: change unit ownership (change the "unit" to all units in region 'your region') to player (change the value "1" to triggering player) since you want the change to be permanent i would suggest then adding the action:turn current trigger off"