-The smudging is somewhat random and purposeless. Seems like you did it just to fill the background.
-Also, the light source on the top right looks really unnatural and is placed badly (imo)
-I think that more dynamism (?) is needed cause the blue lightning isn't getting much attention.
-It would look better with everything centered I think.
-Text is ok I guess.
5~6/10
CnC might be harsh but it's for your benefit, I promise you.