How to Unlock Shade Revenant Stheno To unlock Shade Revenant Stheno, you must complete the Exploration Codex entry entitled For Whom the Bell Tolls, in Ruins of Turayne. Talk to the Discouraged Stonemason at Ruins of Turayne Ring the bell in the first Bell Tower at Ruins of Turayne (Grapple up to the bell tower to activate it) Ring the bell in the second Bell Tower at Ruins of Turayne (Grapple onto the roof of the nearby chapel, then fly to the bell tower) Ring the bell in the third Bell Tower at Ruins of Turayne (Ascend the very tall tower just inside the Blackhowl Plains region, then fly down to the bell tower) Ring the bell in the fourth Bell Tower at Ruins of Turayne (Climb the nearby cliffs and fly down from there to reach the bell) Talk to the Discouraged Stonemason at Ruins of Turayne