en 1.12.2 /summmon Tools & Weapons /summon zombie ~ ~ ~ {eqipment} ~ ~1 ~ {minecraft:skull 1 3 {SkullOwner:herobrine,custom name:herobrine} ~ ~-1 ~{eqipped:diamond_sword} blockdata ~ ~ ~ {lock",diamond_sword:}+1 _2 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}]]]]]}}}