"It is our honour and our duty to protect you with our lives."
— Aizel

Aizel is a character in Xenoblade Chronicles. He is a High Entia, and is one of the four knights that protected Melia in Alcamoth all her life. They accompanied her to Makna Forest to kill the Leone Telethia, but were destroyed by the Telethia, while Melia was knocked unconscious and left for dead, until she is found and rescued by the party.