summon creeper ~ ~ ~ {ExplosionRadius:3b,Fuse:0,ignited:1b,Tags:["tnt.creeper"]}
effect give @a[distance=..5] minecraft:resistance 1 3 true
particle minecraft:explosion_emitter ~ ~ ~ 0 0 0 0 1
fill ~-4 ~-4 ~-4 ~4 ~4 ~4 minecraft:air replace #pctf:can_break