Bug Fixes
* Fixed Shield Spell not being able to be casted. Can now be casted even with skill_unconditional permission while wearing no shield. (bugreport:9198)
* Fixed divest chance of Earth Strain to official. (bugreport:8999)
* Cleaned up ATK and WATK calculation for some skills to only work in pre-renewal.
* Fixed Magnum Break not giving 20% Fire property damage. (bugreport:9199)