tag @a remove BTTNT
tag @e[type=armor_stand,name=METEORKYU] remove TNT
tag @e[sort=random,limit=1,tag=K,type=player,nbt={Dimension:"minecraft:the_nether"}] add BTTNT
execute at @e[sort=random,tag=BTTNT,limit=1] run summon armor_stand ~ 1 ~ {CustomName:"\"BTTNT\"",Small:1,Marker:1b,Invisible:1b,Silent:1b,Invulnerable:1,NoGravity:1}
execute at @e[sort=random,limit=1,tag=BTTNT] run spreadplayers ~ ~ 1 50 false @e[type=armor_stand,name=BTTNT]
execute at @e[type=armor_stand,name=BTTNT] run tp @e[type=armor_stand,name=BTTNT] ~ 116 ~
execute if entity @a[tag=K,nbt={Dimension:"minecraft:the_nether"}] run tellraw @a[tag=BTTNT] ["",{"text":"You hear a cracking sound from above...","color":"blue","italic":true}]
execute if entity @a[tag=K,nbt={Dimension:"minecraft:the_nether"}] run data merge block 999982 122 999975 {auto:1b}