Vernier

is a Sky Dragon Slayer Magic spell.

Description
A supportive spell that, by chanting out an incantation, allows the user to temporarily enhance the targets' movement speed by surrounding them with Magical Auras. When cast, the target, and/or user, is able to hover around at their own discretion within said Magical Aura. It can be employed upon multiple allies, and also on the caster themselves.

Incantation
English= O swift wind that dashes through the heavens!.... VERNIER! Japanese= 天を駆ける瞬足なる風を！.... 瞬足！ Romaji= Ten wo Kakeru Shunsokunaru Kaze wo！.... Banīa！