u/AromaticPilot5185

I have been working on it a little bit, but i don't know what the issue is here.

execute as  at  anchored eyes positioned 
^ ^ ^1
 run summon minecraft:fireball 
~ ~ ~
 {Tags:["new_fireball"],ExplosionPower:2b,power:[0.0,0.0,0.0]}

execute as  at  anchored eyes rotated as  positioned 
0 0 0
 positioned 
^ ^ ^1
 run summon minecraft:area_effect_cloud 
~ ~ ~
 {Tags:["fireball_power"],Duration:1}

execute as [type=minecraft:fireball,tag=new_fireball,limit=1,sort=nearest] run data modify entity  power set from entity [type=minecraft:area_effect_cloud,tag=fireball_power,limit=1,sort=nearest] Pos

kill [type=minecraft:area_effect_cloud,tag=fireball_power]
tag  as  at  anchored eyes positioned ^ ^ ^1 run summon minecraft:fireball ~ ~ ~ {Tags:["new_fireball"],ExplosionPower:2b,power:[0.0,0.0,0.0]}

execute as  at  anchored eyes rotated as  positioned 0 0 0 positioned ^ ^ ^1 run summon minecraft:area_effect_cloud ~ ~ ~ {Tags:["fireball_power"],Duration:1}

execute as [type=minecraft:fireball,tag=new_fireball,limit=1,sort=nearest] run data modify entity  power set from entity [type=minecraft:area_effect_cloud,tag=fireball_power,limit=1,sort=nearest] Pos

kill [type=minecraft:area_effect_cloud,tag=fireball_power]

tag u/e[type=minecraft:fireball,tag=new_fireball] remove new_fireball[type=minecraft:fireball,tag=new_fireball] remove new_fireball