User blog comment:ShonenChicoBoy/Shonen's Regimen and Tonic: April 2015/@comment-136273-20150416115644/@comment-3403804-20150416190207

Besides, Vast Spiritual Power also suggests that while their spiritual power is great, they don't possess much skill at refining or controlling it, which means that Fidus seems likely to be bad at Kido. Sort of like a dog-Ichigo.