Difficult Battle [2]

/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 stained_hardened_clay 4 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~-1 ~2 stained_glass 8 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:" /scoreboard objectives add kLife dummy"},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text2:"{\\\"text\\\":\\\"Thingo [2]\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @a ~ ~ ~ /execute @e[tag=k4,r=4] ~ ~ ~ /summon AreaEffectCloud ~ ~0.8 ~ {Particle:fireworksSpark,Radius:5f,Duration:20,Color:14548736,Effects:[{Id:1,Amplifier:10,Duration:20},{Id:8,Amplifier:200,Duration:20}]}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 1 replace {auto:1,Command:"/execute @e[tag=k3] ~ ~ ~ /execute @e[rm=5,r=8] ~ ~ ~ /summon LightningBolt"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=k2] ~ ~ ~ /execute @e[type=Arrow,r=4] ~ ~ ~ /fill ~ ~ ~ ~ ~1 ~ ice 0 keep"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=k2] ~ ~ ~ /execute @a[r=3] ~ ~ ~ /fill ~ ~ ~ ~ ~1 ~ ice 0 keep"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=k1] ~ ~ ~ /kill @e[tag=kd,r=16,rm=14]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=k1,score_kLife_min=999,score_kLife=999] ~ ~ ~ /execute @a[r=12,c=1] ~ ~ ~ /summon LightningBolt ~ ~3 ~"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/execute @e[tag=k1,score_kLife_min=900,score_kLife=910] ~ ~ ~ /summon Bat ~ ~ ~ {Tags:[\\\"kd\\\"]}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=k1,score_kLife_min=700,score_kLife=710] ~ ~ ~ /execute @a[r=16,c=1] ~ ~ ~ /summon PrimedTnt ~ ~ ~ {Fuse:80}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=k1,score_kLife_min=600,score_kLife=602] ~ ~ ~ /effect @a[r=16,c=1] levitation 2 4"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=k1,score_kLife_min=400,score_kLife=402] ~ ~ ~ /execute @a[r=16,c=1] ~ ~ ~ /summon PrimedTnt ~ ~ ~ {Fuse:80}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=kd] ~ ~ ~ /effect @a[r=2] poison 5 5"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"/execute @e[tag=kd] ~ ~ ~ /particle lava ~ ~ ~ 0 0 0 0.4 1 force"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=k1,score_kLife_min=300,score_kLife=303] ~ ~ ~ /summon Bat ~ ~ ~ {Tags:[\\\"kd\\\"]}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=k1,score_kLife_min=200,score_kLife=202] ~ ~ ~ /execute @a[r=16,c=1] ~ ~ ~ /summon PrimedTnt ~ ~ ~ {Fuse:80}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @e[score_kLife_min=1000] kLife 0"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"/scoreboard players add @e[tag=kk] kLife 1"}},{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]}]}]}]}