Pharros' contraptions are new to the Dark Souls series. If you've read our Dark Souls 2 review (opens in new tab), you'll know that these are special devices that reveal great treasure when activated. They range from wall tiles to floor panels, but all require a Pharros' Lockstone to activate.
There are several contraptions across Drangleic, but getting the necessary lockstones can be tricky. Follow along to learn the locations of all contraptions and lockstones, then head out to grab the treasure beyond!
Struggling to conquer the game? See our other Dark Souls 2 guides to help you on your way: