Update 1.5.7

Hey there. Just a very small patch to fix the missing crab cave and introduce a new mechanic we've mostly finalized.

Patch notes:

New:

• Shield bash mechanic - Hold the shield up and use the alternate hand to perform a shield bash
  

Improved:

• Did a small optimization pass around Azura to help loading times
  

Fixed:

• Crabs have returned and their teleportation technology has been confiscated