if guard see player with karma and activ skill silent move its good because that fuction work perfect but if u want set it u need create new file i will show u how :
1. open notepad
2. copy that and put it to your notepad
3. if u put save it under the name SeeThroughSilentMove.java u must put it to data/scripts/ai/group_template
4. if u use gracia, gracia final or epilogue server pack u must go to data and open scripts.cfg and add this line
5. important ! if u use other server pack like l2jfree, l2jbrasil etc. u must change imports for example that
if u dont know how to do it pm me i can help u ;)
6. and everything done and run server again i think i help u ;)