> Follow up to r17140.
- Crush Strike now lasts for 30 seconds.
- Phantom Thrust is now targeted to allies.
- Updated SP requirement for Death Bound.
- Giant Growth now has a .1% chance to break caster's weapon.
- Stone Hard Skin now has a 30% chance to break caster's weapon.
- Stone Hard Skin now has a 30% chance to reduce 25% damage from monsters for 10 seconds.
- Corrected Stone Hard Skin's DEF/MDEF increase formula.

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@17145 54d463be-8e91-2dee-dedb-b68131a5f0ec