Emily Harper is one of the four main characters in the series, playing a vital part in the downfall of numerous villains, including NanoMite, Basilisk, Viral, and Worm. Her preffered power is teleportation, being the first power she ever used. Her best friend is Lorna Wilkinson, Toby's older sister. Lorna's loyalty to the Foundation of Heroes was questioned throughout the books, her being notorious villain Jake Hunter's girlfriend, even aiding him on several of his villainous quests. In Chaos Effect, she turns her friend Peter Kendall back from his villainous new adventures to help rid the world of Chameleon, the psychotic ex-hero who attempts to kill Eric Kirby and Jake Hunter in a huge 3 way battle between the Hero Foundation, Forge, and the Council of Evil.

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