When is it worthwhile to use bonecrusher and ash sanctifierDo you play Old School RuneScape? In that case, you might be interested in the skeletal crusher! The Old School RuneScape bone crusher provides a strong way to dispose of bones during your training sessions. This device smashes bones into fine dust, helping you save valuable inventory space. Using the Old School RuneScape skeletal smasher, you can effortlessly grind bones and gain prayer XP!