Conditions:
  - haspotioneffect{t=INVISIBILITY} true
  Skills:
  - effect:sound{s=entity.wither.shoot;v=0.1;p=1}
  - effect:sound{s=entity.irongolem.death;v=0.1;p=2}
  - damage{a=30;ia=true;pi=true;pk=true} @target