User blog comment:B214/Volume 23 discussion blog/@comment-175.141.190.55-20170426051443/@comment-79.25.167.4-20170426150334

but they inherit some quality from the Sacred Gears their parents have. All of them for example can use their crimson aura to increase the power of their attacks (even if is not like the Boost), and Airi is able to control nature.