Hero

Heroes are non-playable party members in Xenoblade Chronicles 3. By either progressing the main story or completing s, these characters can be recruited by the party and used as a seventh party member. Outside of the Archsage's Gauntlet, only one Hero may participate in battle at a time. Each Hero has a unique, which can be unlocked for use by the main party.

While recruiting Heroes are mostly optional, there are a six Heroes that are required to recruit to progress the story: Ethel, Valdi, Riku & Manana, Juniper, Ghondor and Miyabi.

Trivia

 * While certain Heroes like Monica and Ghondor becomes temporarily unselectable during certain parts of the main story, Ethel is the only Hero who remains that way until her ascension condition is met.
 * Ethel and Cammuravi are the only two Heroes that doesn't have an Ascension Quest, as well as the only two that share the same ascension condition.
 * Ghondor and Miyabi are the only Heroes that neither need to complete a Hero quest nor going to a certain location to acquire.
 * Ino and Masha are the only Heroes who will not assist the party in the final battle, due to being DLC content.
 * Riku & Manana, Nia, and Melia are the only non-DLC Heroes that can never be fought by the party.
 * As a prerendered cutscene, all non-DLC Heroes with the exception of Triton appears at the ending cutscene regardless if they're recruited.
 * As such, Ethel appears in the ending cutscene regardless if she rejoins the party.