##### Mob.yml #######
  Skills:
  - setvariable{var=global.crowd;value=1} @self ~onSpawn
  - setvariable{var=global.crowd;value=0} @self ~onDeath
  - setvariable{var=caster.crowdTimer;value=0} @self ~onSpawn
  - skill{s=crowd;delay=1} @self ~onSpawn
  - skill{s=CheckCrowd} @self ~onTimer:10


##### Skills.yml #####


crowd:
  Conditions:
  - variableEquals{var=global.crowd;value=1} true
  Skills:
  - sound{s=entity.zombie.hurt;v=1;p=1;sc=hostile} @self
  - setvariable{var=caster.crowdTimer;value=0} @self ~onSpawn
CheckCrowd:
  Conditions:
  - variableEquals{var=caster.crowdTimer;value=101} castinstead crowd
  Skills:
  - variableadd{var=caster.crowdTimer;value=1} @self