User blog comment:B214/Volume 21 info & spoilers/@comment-64.237.231.30-20160621231232/@comment-28087053-20160621233223

The whole volume! It only says that he can't use it frecuently because of his life spawn and it's only been a year since he became a devil, so it's abnormal for him to wield a Gods power in just a year said by Vali.