Crypt Runner

Added an unlockable minecart to decrease late game grind.
Adjusted wither skeleton pathing issues.
Added barrier blocks to prevent ravager escaping the play area on level 4.
Increased value of several secrets.
Fixed level 3 dropoff points giving level 4 compasses pre level 4 unlock.
Added sound effects in the forge.
Adjust several secret locations to make them easier to find.
Fixed a level 3 secret which was unreachable in adventure mode.