During battle, players can sacrifice a portion of Alm or Celica's health to summon a computer-controlled illusory hero, who acts as a temporary ally for a single round. As Alm and Celica grow stronger, their stats can be saved to their respective amiibo, allowing their phantom helper to gain strength alongside them.

• Alm is one of the two main protagonists in the game Fire Emblem Echoes: Shadows of Valentia.
• In Fire Emblem Echoes: Shadows of Valentia, players can sacrifice a portion of Alm's health during battle to summon a computer-controlled illusory hero by tapping the amiibo, which acts as a temporary ally for one round. As Alm becomes stronger, his stats can be saved to the amiibo, allowing the phantom helper at his side to gain strength.
• Compatibility and functionality vary depending on Nintendo hardware and software.