Mirror_Mob-Controller:
  Type: ARMOR_STAND
  Options:
    Marker: true
    #ApplyInvisibility: true
    Silent: true
  Skills:
    - message{m="Parent<&co> <caster.var.x_diff>, <caster.var.z_diff>"} @world ~onTimer:20

    - setVariable{var=caster.x_diff;value=<caster.l.x.double>-<target.l.x.double>;type=FLOAT;sync=true} @NearestPlayer{r=20} ~onTimer:1
    - setVariable{var=caster.z_diff;value=<caster.l.z.double>-<target.l.z.double>;type=FLOAT;sync=true} @NearestPlayer{r=20} ~onTimer:1

    - summon{t=Mirror_Mob-NS} @location{c=<caster.l.x.double>,<caster.l.y.double>,<caster.l.z.double>-11} ~onSpawn
    #- summon{t=Mirror_Mob-NS} @location{c=<caster.l.x.double>,<caster.l.y.double>,<caster.l.z.double>+11} ~onSpawn
  Disguise: ARMOR_STAND #setInvisible

Mirror_Mob-NS:
  Type: ARMOR_STAND
  Options:
    Marker: true
    #ApplyInvisibility: true
    Silent: true
  Skills:
    - message{m="Child<&co> <caster.var.x_diff>,<caster.var.z_diff>"} @world ~onTimer:20

    - setVariable{var=caster.x_diff;value=<target.var.x_diff>;type=FLOAT} @Parent ~onTimer:1
    - setVariable{var=caster.z_diff;value=0-<target.var.z_diff>;type=FLOAT} @Parent ~onTimer:1

    - summon{t=Mirror_Mob-Fake} @SelfLocation ~onSpawn
    - teleportto{location=<caster.var.x_diff>,<caster.var.y_diff>,<caster.var.z_diff>;relative=true;sync=true} @Children
  Disguise: ARMOR_STAND #setInvisible