At 09:07 AM 4/6/98 EDT, you wrote:

 Jinkees, if Ryouga can punture holes in solid rock, what says he can't use
the training to stab Ranma to death with his fingers ala Fist of North star?

He doesn't puncture the rock... he touches it in the right spot, and the
rock shatters.  Kind of like taking the keystone out of an arch.

-Deuce