Mantis Claw

Function
While close to a wall while in midair, press in the direction of the wall to cling to it and slide down. Press JUMP to launch diagonally away from the wall. This can be repeated an infinite amount of times, allowing The Knight to climb up walls. Can only be used on completely vertical surfaces.

General

 * Several Geo-caches (in Mantis Village)

Charms

 * Fury of the Fallen (in King's Pass)

Mask Shards

 * 1 Mask Shard (in Queen's Station)
 * Rescuing Bretta for 1 Mask Shard

How to Acquire
Located in Mantis Village. Requires Mothwing Cloak. Клешня богомола