If u noticed last update for blu they revised "physical blue magic" as well as commented on "the effects of physical blue magics will now be effected by ect ect

Blue Mage
The accuracy of the additional effect of blue MAGIC spells will now vary based on blue magic skill.

NOT physical- so as it stands, I don't want to have to put on blue magic skill + armor to land additional effect :stun from blitzriah