Vigor

The Vigors (活力 Katsuryoku) are a series of Human cards that include "Vigor" in its card name exclusive to the Terra Firma clan.

Background
Who are the Vigor?

Trivia

 * These units are based off of legends that state that some spirits may take the form of a human or acquire a human host while having supernatural powers based on the animal of that spirit.
 * Their counterparts are the Envoys of Laden Aurora.