Malvera Online

Bugfixes:
- Fixed using rope on certain holes
- Added missing Piercing Bolts to Minotaur Archer loot
- Tweaked Frozen Trench mission at Lurik (it no longer requires excessive Explorer Society Quest progress)
- Corrected several map issues in Formorgar Mines and Goroma

Changes:
- Balanced skinning monster chances (they were too high before)
- Adjusted target change intervals for several monsters