adjustment
1. Increase the damage of spirit tool skill "thousand dance".
2. Add a recovery stone at the entrance of the dog demon tomb.

repair
1. Fix the problem that the sword skill "sky strike" is not invincible in the whole process.
2. Repair the description of the Epee skill "cut out" and "cut out three styles" (the overlord style is changed to invincible).
3. Fix the problem that Ryukyu doesn't attack beyond the range.
4. Fix some copy description problems.