Image: Sucker Punch Productions / PlayStationOfficial screenshot from Sucker Punch Productions / PlayStation.
Securing Sanctuary is the trophy for freeing all 18 Mongol territories in Toyotama. Doing it also clears the region's fog of war.
Work through Toyotama's minor territories, farmsteads and major camps. Check the map for any red zones left once Act 2's main tales are done.
Several territories, like Riverside Farm, can be cleared on their own or as part of a tale.