TargetConditions:
  - haspotioneffect{t=SLOW_DIGGING;level=9} true
  Skills:
  - damage{a=13;pk=true} @target
  - effect:sound{s=block.glass.break;p=1;v=1}
  - effect:sound{s=block.glass.break;p=0.5;v=0.8}