One command: grappin by freezefire

/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 ~-2 ~8 ~ ~2 minecraft:end_bricks 0 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~-1 ~2 stained_glass 2 replace minecraft:end_bricks"},{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"°-_========_°\\\",\\\"color\\\":\\\"dark_blue\\\"}",Text2:"{\\\"text\\\":\\\"Détruire\\\",\\\"color\\\":\\\"dark_red\\\",\\\"bold\\\":true}",Text4:"{\\\"text\\\":\\\"============\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~ ~-2 ~7 ~3 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"°-_========_°\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"scoreboard players add @e[type=ArmorStand,name=TogAct,c=1] D8PI6g_A 1\\\"}}",Text2:"{\\\"text\\\":\\\"[Activer]\\\",\\\"color\\\":\\\"green\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"execute @e[score_D8PI6g_A_min=1,score_D8PI6g_A=1] ~ ~ ~ blockdata ~ ~ ~ {auto:0}\\\"},\\\"bold\\\":true}",Text3:"{\\\"text\\\":\\\"[Désactiver]\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"execute @e[score_D8PI6g_A_min=2] ~ ~ ~ blockdata ~ ~ ~ {auto:1}\\\"},\\\"bold\\\":true}",Text4:"{\\\"text\\\":\\\"============\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"scoreboard players reset @e[score_D8PI6g_A_min=2] D8PI6g_A\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"°-_========_°\\\",\\\"color\\\":\\\"dark_blue\\\"}",Text2:"{\\\"text\\\":\\\"Infos\\\",\\\"color\\\":\\\"gold\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"tellraw @a [{\\\\\\\"text\\\\\\\":\\\\\\\"Infos:\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"gold\\\\\\\",\\\\\\\"bold\\\\\\\":\\\\\\\"true\\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\"\\\\\\\\nJetez au sol:\\\\\\\\n\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"dark_blue\\\\\\\",\\\\\\\"bold\\\\\\\":\\\\\\\"none\\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\"Ender Crystal + Ender Pearl + Bow + Arrow + Iron Bars\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"dark_red\\\\\\\",\\\\\\\"bold\\\\\\\":\\\\\\\"none\\\\\\\",\\\\\\\"italic\\\\\\\":\\\\\\\"true\\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\"\\\\\\\\nSi vous tirez une flèche avec cet arc, vous serez téléporté à l'endroit où elle sera tombée\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"dark_aqua\\\\\\\",\\\\\\\"bold\\\\\\\":\\\\\\\"none\\\\\\\",\\\\\\\"italic\\\\\\\":\\\\\\\"none\\\\\\\"}]\\\"},\\\"bold\\\":true}",Text4:"{\\\"text\\\":\\\"============\\\",\\\"color\\\":\\\"dark_blue\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~ ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"°-_========_°\\\",\\\"color\\\":\\\"dark_blue\\\"}",Text2:"{\\\"text\\\":\\\"Tuer tous les\\\",\\\"color\\\":\\\"dark_purple\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"kill @e[name=fer]\\\"},\\\"bold\\\":true}",Text3:"{\\\"text\\\":\\\"barreaux de fer\\\",\\\"color\\\":\\\"dark_purple\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"kill @e[name=fer]\\\"},\\\"bold\\\":true}",Text4:"{\\\"text\\\":\\\"============\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:"summon ArmorStand ~3 ~-2 ~-1 {CustomName:TogAct,Marker:1,NoGravity:1,Invisible:1}"},{id:MinecartCommandBlock,Command:"scoreboard objectives add D8PI6g_A dummy"},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~ chain_command_block 2 replace {auto:1,Command:"/scoreboard objectives add grappincraft dummy"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard objectives add grappin2 stat.useItem.minecraft.bow"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard objectives add grappin dummy"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/execute @e[score_grappincraft_min=1,score_grappincraft=1] ~ ~ ~ execute @e[score_grappincraft_min=2,score_grappincraft=2,r=0] ~ ~ ~ execute @e[score_grappincraft_min=3,score_grappincraft=3,r=0] ~ ~ ~ execute @e[score_grappincraft_min=4,score_grappincraft=4,r=0] ~ ~ ~ execute @e[score_grappincraft_min=5,score_grappincraft=5,r=0] ~ ~ ~ kill @e[score_grappincraft_min=1,r=1]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/execute @e[score_grappincraft_min=1,score_grappincraft=1] ~ ~ ~ execute @e[score_grappincraft_min=2,score_grappincraft=2,r=0] ~ ~ ~ execute @e[score_grappincraft_min=3,score_grappincraft=3,r=0] ~ ~ ~ execute @e[score_grappincraft_min=4,score_grappincraft=4,r=0] ~ ~ ~ execute @e[score_grappincraft_min=5,score_grappincraft=5,r=0] ~ ~ ~ summon Item ~ ~1 ~ {Item:{id:\\\"minecraft:bow\\\",Count:1,tag:{display:{Name:\\\"Grappin\\\",Lore:[Un Grappin]},ench:[{id:0,lvl:0}],HideFlags:31}}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~1 chain_command_block 2 replace {auto:1,Command:"/execute @e[score_grappincraft_min=1,score_grappincraft=1] ~ ~ ~ execute @e[score_grappincraft_min=2,score_grappincraft=2,r=0] ~ ~ ~ execute @e[score_grappincraft_min=3,score_grappincraft=3,r=0] ~ ~ ~ execute @e[score_grappincraft_min=4,score_grappincraft=4,r=0] ~ ~ ~ execute @e[score_grappincraft_min=5,score_grappincraft=5,r=0] ~ ~ ~ particle dragonbreath ~ ~ ~ 1 1 1 0.01 100"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[score_grappincraft_min=1,score_grappincraft=1] ~ ~ ~ execute @e[score_grappincraft_min=2,score_grappincraft=2,r=0] ~ ~ ~ execute @e[score_grappincraft_min=3,score_grappincraft=3,r=0] ~ ~ ~ execute @e[score_grappincraft_min=4,score_grappincraft=4,r=0] ~ ~ ~ execute @e[score_grappincraft_min=5,score_grappincraft=5,r=0] ~ ~ ~ particle largesmoke ~ ~ ~ 1 1 1 0.01 100"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @e[type=Item] grappincraft 5 {OnGround:1b,Item:{id:\\\"minecraft:arrow\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @e[type=Item] grappincraft 4 {OnGround:1b,Item:{id:\\\"minecraft:end_crystal\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @e[type=Item] grappincraft 3 {OnGround:1b,Item:{id:\\\"minecraft:ender_pearl\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 1 replace {auto:1,Command:"/scoreboard players set @e[type=Item] grappincraft 2 {OnGround:1b,Item:{id:\\\"minecraft:iron_bars\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @e[type=Item] grappincraft 1 {OnGround:1b,Item:{id:\\\"minecraft:bow\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[name=fer] ~ ~ ~ particle iconcrack_101_0 ~ ~1.5 ~ 0.2 0 0.2 0.01 1"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players reset @a grappin"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @a[score_grappin_min=1] ~ ~ ~ particle smoke ~ ~ ~ 0.3 0 0.3 0.01 5"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/execute @a ~ ~ ~ kill @e[score_grappin_min=3,r=0]"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @a ~ ~ ~ kill @e[name=fer,r=0]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @e[type=Arrow,score_grappin_min=2] grappin 3 {inGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[score_grappin_min=3] ~ ~ ~ execute @a[r=0] ~ ~ ~ kill @e[name=fer,r=1]"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[score_grappin_min=3] ~ ~ ~ execute @p[score_grappin_min=1] ~ ~ ~ tp @p @e[name=fer,c=1]"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"/scoreboard players reset @a grappin2"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @a[score_grappin_min=1] ~ ~ ~ particle dragonbreath ~ ~ ~ 0 0 0 0.01 1"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @e[score_grappin_min=2,score_grappin=2] ~ ~ ~ summon ArmorStand ~ ~ ~ {Invulnerable:1,Invisible:1,Marker:1,CustomName:fer,ArmorItems:[{},{},{},{id:iron_bars}],NoGravity:1}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @a[score_grappin_min=1,score_grappin=1,score_grappin2_min=1] ~ ~ ~ scoreboard players set @e[type=Arrow,r=2] grappin 2"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"/scoreboard players set @a grappin 1 {SelectedItem:{id:\\\"minecraft:bow\\\",tag:{display:{Name:\\\"Grappin\\\",Lore:[Un Grappin]}}}}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}