In this guide, we’ll show you how to find all of the Boos located in Old Clockworks and help you complete your Boo collection. Enter the mansion and watch the ghost exit the Warehouse.

King Boo has unleashed a whole bunch of ghosts into the mansion. Our first job here, and the bulk of this short mission, is to clean up by heading to each room indicated on our map. Remember to ...

Once the Boo has no HP left, use your vacuum to suck it up. Once you’ve made it into the mansion, head back to the Library. You’ll notice that the piano is now missing. Use your Darklight to ...