Incredible Swamp Lookout Tower Elden Ring 2022. Heading south from the bridge of sacrifice, follow the path until you can turn right. An archer soldier also awaits you at the highest level of the tower.
Eternal darkness can be found on a corpse at the swamp lookout tower in caelid. Attack them to lift the seal. The swamp lookout tower is found in caelid, southwest of sellia, town of sorcery.