#example_projがヒットした時に起動
execute if score @s untwo.proj.age matches 11..20 run particle minecraft:flame ~ ~ ~ 0 0 0 0.08 4
execute if score @s untwo.proj.age matches 11..20 run playsound entity.generic.extinguish_fire player @a ~ ~ ~ 0.04 1.7
execute on passengers run kill @s
kill @s