Location: The Monolith From the Tainted Cliffs Expedition Flag, make your way up and grapple across to the cliffs ahead. Continue down this straight path, past the forks in the path. At the end where you are met with a statue, take the right path, head right to find a broken airship, Weakness Gain can be picked up on the right. / From the Tainted Cliffs Expedition Flag, make your way up and grapple across to the cliffs ahead, continue past the forks to find a broken airship.