Vigor up!

Vigor Up is a magic attack used in Super Mario RPG: Legend of the Seven Stars. It envelopes the user in a red aura that greatly increases their attack. It is usually partnered with Valor Up. Vigor Up is used by several monsters and bosses, such as Shoguns and Jinx. It is generally activated when the target has half HP or is attacked. Most enemies who use Vigor Up are associated with brute strength.