If I get one chest open the other one seems to be permanently lock. Does anyone know how to get the full armor set of Lord Ruanay's? The only thing I've been able to find is people lockpicking them open, which has apparently has been patched out so you can't lockpick them. Physical and Magical armor is a new mechanic introduced in Divinity: Original Sin 2 to add more depth to combat by introducing a new obstacle to plan around, where as in DoS1 it was. The sentinel has no form, its soul residing within the armor itself. Display Case Puzzle: To open, cast Rain to create a water pool by the display case.