Altar

Code Source:
/execute @e[type=ArmorStand] ~ ~ ~ detect ~ ~ ~1 stone 0 execute @e[c=1] ~ ~ ~ detect ~ ~ ~-1 stone 0 execute @e[c=1] ~ ~ ~ detect ~1 ~ ~ stone 0 execute @e[c=1] ~ ~ ~ detect ~-1 ~ ~ stone 0 scoreboard players tag @e[c=1] add SpawnHerobrine
/execute @e[tag=SpawnHerobrine] ~ ~ ~ summon Zombie ~ ~ ~ {ArmorItems:[{},{},{},{id:skull,Damage:3,tag:{SkullOwner:MHF_Herobrine}}]}
/execute @e[tag=SpawnHerobrine] ~ ~ ~ particle largesmoke ~ ~ ~ 0.2 1 0.2 0.01 200 force
/execute @e[tag=SpawnHerobrine] ~ ~ ~ playsound entity.wither.spawn master @a ~ ~ ~
/execute @e[tag=SpawnHerobrine] ~ ~ ~ /fill ~1 ~ ~-1 ~-2 ~ ~2 minecraft:air 0 replace minecraft:stone
/kill @e[tag=SpawnHerobrine]

Commande Machine complète:
summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:fill ~2 ~-3 ~-1 ~8 ~-1 ~2 stained_hardened_clay 11 hollow},{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-1 ~8 ~-2 ~2 stained_glass 3 0 stained_hardened_clay},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 0 {Text1:"{\\\"text\\\":\\\"=-=-=-=-=-=-=-=-=-=\\\",\\\"color\\\":\\\"dark_red\\\"}",Text2:"{\\\"text\\\":\\\"Destroy\\\",\\\"color\\\":\\\"red\\\"}",Text3:"{\\\"text\\\":\\\"Machine\\\",\\\"color\\\":\\\"red\\\"}",Text4:"{\\\"text\\\":\\\"=-=-=-=-=-=-=-=-=-=\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-1 ~7 ~1 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~ ~7 ~-2 ~1 chain_command_block 5},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 4},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 3},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5},{id:MinecartCommandBlock,Command:blockdata ~7 ~-2 ~1 {auto:1,Command:/kill @e[tag=SpawnHerobrine]}},{id:MinecartCommandBlock,Command:blockdata ~7 ~-2 ~ {auto:1,Command:/execute @e[tag=SpawnHerobrine] ~ ~ ~ /fill ~1 ~ ~-1 ~-2 ~ ~2 minecraft:air 0 replace minecraft:stone}},{id:MinecartCommandBlock,Command:blockdata ~6 ~-2 ~ {auto:1,Command:/execute @e[tag=SpawnHerobrine] ~ ~ ~ playsound entity.wither.spawn master @a ~ ~ ~}},{id:MinecartCommandBlock,Command:blockdata ~5 ~-2 ~ {auto:1,Command:/execute @e[tag=SpawnHerobrine] ~ ~ ~ particle largesmoke ~ ~ ~ 0.2 1 0.2 0.01 200 force}},{id:MinecartCommandBlock,Command:blockdata ~4 ~-2 ~ {auto:1,Command:/execute @e[tag=SpawnHerobrine] ~ ~ ~ summon Zombie ~ ~ ~ {ArmorItems:[{},{},{},{id:skull,Damage:3,tag:{SkullOwner:MHF_Herobrine}}]}}},{id:MinecartCommandBlock,Command:blockdata ~3 ~-2 ~ {auto:1,Command:/execute @e[type=ArmorStand] ~ ~ ~ detect ~ ~ ~1 stone 0 execute @e[c=1] ~ ~ ~ detect ~ ~ ~-1 stone 0 execute @e[c=1] ~ ~ ~ detect ~1 ~ ~ stone 0 execute @e[c=1] ~ ~ ~ detect ~-1 ~ ~ stone 0 scoreboard players tag @e[c=1] add SpawnHerobrine}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 0 {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}