Chorus Helmet | Minecraft | 1 Command

/summon falling_block ~ ~1 ~ {Block:"redstone_block",Time:3,Passengers:[{id:"falling_block",Block:"activator_rail",Time:3,Passengers:[{id:"commandblock_minecart",Command:/gamerule commandBlockOutput false},{id:"commandblock_minecart",Command:/scoreboard objectives add PackTimer dummy},{id:"commandblock_minecart",Command:/fill ~2 ~-2 ~-1 ~5 ~5 ~1 stained_hardened_clay 11 hollow},{id:"commandblock_minecart",Command:/fill ~2 ~-1 ~-1 ~5 ~4 ~1 stained_glass 8 replace stained_hardened_clay},{id:"commandblock_minecart",Command:/summon falling_block ~3 ~-1 ~ {Block:repeating_command_block,Data:1,TileEntityData:{auto:1b,Command:/scoreboard players add ChorusHelm PackTimer 1},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players test ChorusHelm PackTimer 15},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:9,TileEntityData:{Command:/scoreboard players set ChorusHelm PackTimer 0},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:repeating_command_block,Data:9,TileEntityData:{auto:1b,Command:/scoreboard players tag @e[type=item] add ChorusHelmA {Item:{id:"minecraft:shulker_shell",Count:1b},OnGround:1b}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players tag @e[type=item] add ChorusHelmB {Item:{id:"minecraft:diamond",Count:1b},OnGround:1b}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:5,TileEntityData:{Command:/scoreboard players tag @e[type=item] add ChorusHelmC {Item:{id:"minecraft:chorus_fruit",Count:5b},OnGround:1b}},Time:1,DropItem:0}]}]}]}]}]}},{id:"commandblock_minecart",Command:/summon falling_block ~4 ~-1 ~ {Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=DamageChorusHelm] ~ ~ ~ /spreadplayers ~ ~ 1 25 false @p},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/scoreboard players tag @a add DamageChorusHelm {Inventory:[{Slot:103b,tag:{ChorusHelm:1b}}],HurtTime:9s}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:repeating_command_block,Data:0,TileEntityData:{auto:1b,Command:/scoreboard players tag @a remove DamageChorusHelm},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=CraftChorusHelm] ~ ~ ~ kill @e[dy=0,type=item,name=!ChorusHelm]},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=CraftChorusHelm] ~ ~ ~ /summon item ~ ~ ~ {Item:{id:leather_helmet,Count:1b,tag:{AttributeModifiers:[{AttributeName:"generic.armor",Name:"generic.armor",Amount:2,Operation:0,UUIDLeast:175072,UUIDMost:176060,Slot:"head"}],ench:[{id:34,lvl:4}],ChorusHelm:1b,display:{LocName:"Chorus Helmet",Lore:["conquer the","power of chorus"],color:11964927}}},CustomName:"ChorusHelm",Motion:[0.0,0.3,0.0]}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=ChorusHelmA,type=item] ~ ~ ~ execute @e[type=item,tag=ChorusHelmB,dy=0] ~ ~ ~ scoreboard players tag @e[tag=ChorusHelmC,type=item,dy=0] add CraftChorusHelm},Time:1,DropItem:0}]}]}]}]}]}},{id:"commandblock_minecart",Command:setblock ~1 ~1 ~ wall_sign 4 0 {Text1:"{\\\"text\\\":\\\"click here\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/particle explode ~3.5 ~-.5 ~ 1.25 2 1 .01 75 normal\\\"}}",Text2:"{\\\"text\\\":\\\"to remove\\\",\\\"color\\\":\\\"dark_red\\\"}",Text3:"{\\\"text\\\":\\\"this machine\\\",\\\"color\\\":\\\"dark_red\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-3 ~-1 ~4 ~4 ~1 air\\\"}}"}},{id:"commandblock_minecart",Command:/setblock ~ ~1 ~ command_block 1 0 {auto:1b,Command:fill ~ ~ ~ ~ ~-2 ~ air}},{id:"commandblock_minecart",Command:kill @e[r=2,type=commandblock_minecart]}]}]}