How do I obtain Hollow Bone?
Open the chest in the lower left of this room. The crosshair below marks the chest.
Target room · crosshair: locationOpen map ↗When should I equip it?
Use it on routes with frequent grapple anchors to gain speed after grappling.
Watch the conditionThe trigger is grappling an anchor, not simply holding an equippable whip weapon.
Compare these effects
Compare the trigger and benefit before choosing your equipment.
Sand Charm Resting or using the Ferryman grants 35% extra speed for 30s.