Herobrine minecraft bossfight

Instructions
/give @p command_block
paste in command
/summon Zombie ~0 ~1 ~0 {HandItems:[{id:diamond_sword},{id:diamond_sword}],ArmorItems:[{id:diamond_boots},{id:diamond_leggings},{id:diamond_chestplate},{id:skull,Damage:3,tag:{SkullOwner:MHF_Blaze}}],CustomName:Herobrine,CustomNameVisible:1,Attributes:[{Name:generic.maxHealth,Base:999},{Name:generic.movementSpeed,Base:0.5},{Name:generic.attackDamage,Base:50},{Name:generic.followRange,Base:10},{Name:generic.knockbackResistance,Base:200},{Name:zombie.spawnReinforcements,Base:1.0F}],ActiveEffects:[{Id:22,Amplifier:1,Duration:999999},{Id:12,Amplifier:1,Duration:999999},{Id:3,Amplifier:1,Duration:999999},{Id:21,Amplifier:1,Duration:999999},{Id:6,Amplifier:1,Duration:999999},{Id:14,Amplifier:1,Duration:999999},{Id:8,Amplifier:1,Duration:999999},{Id:16,Amplifier:1,Duration:999999},{Id:10,Amplifier:1,Duration:999999},{Id:11,Amplifier:1,Duration:999999},{Id:23,Amplifier:1,Duration:999999},{Id:1,Amplifier:1,Duration:999999},{Id:5,Amplifier:1,Duration:999999},{Id:13,Amplifier:1,Duration:999999}],Silent:1,Glowing:1,Health:500.0f}
Done!!