TV-Series
Description
Anna Heartfilia, a human mage and ancestral member of the Heartfilia clan preceding Layla and Lucy, originated 400 years ago. She collaborated with Zeref Dragneel and peace-seeking dragons to devise a strategy against Acnologia. This plan sent five Dragon Slayers—Natsu Dragneel, Gajeel Redfox, Wendy Marvell, Sting Eucliffe, and Rogue Cheney—and their dragon foster parents into the future via the Eclipse Gate, a celestial artifact requiring a Celestial Spirit Mage. The dragons concealed their souls within the children to heal from Acnologia's magic during the temporal journey.

Anna educated the Dragon Slayers in their childhood, teaching human language, writing, and culture. She crafted Natsu's scarf using scales shed by Igneel. Before departing her era in year X377, she entrusted her infant child to her husband Tatsuya, urging him to ensure the child's safety and find new happiness if necessary. She activated the Eclipse Gate knowing a descendant would reopen it in X777 for the Dragon Slayers' arrival.

Arriving in the future, Anna discovered the Dragon Slayers scattered across Fiore due to transit interference. She spent five years locating them but chose not to reveal herself, observing their adaptation and believing in a "proper order" for events. During this period, she investigated the "Space Between Time," a temporal anomaly potentially caused by their journey. She later assumed a low-profile role as a schoolteacher in a rural village.

Physically, Anna possessed blonde hair, brown eyes, and an hourglass figure. She typically wore her hair in a ponytail with side-swept bangs and dressed in elegant red-and-white robes with a high-collared cloak, resembling her descendants Layla and Lucy. She displayed kindness, patience, skill in childcare, a strong sense of responsibility, and etiquette. The Celestial Spirit Aquarius regarded her as an exceptional mage.

Her magical expertise centered on Celestial Spirit Magic, summoning spirits using gate keys, most notably Aquarius's golden key, to operate the Eclipse Gate. She also utilized Time Magic to manipulate the Space Between Time.

In later years, Anna resurfaced during conflicts involving Acnologia and Zeref. She played a pivotal role confronting Acnologia by luring him into the Space Between Time alongside Ichiya Vandalay Kotobuki. This act, initially appearing futile as Acnologia escaped empowered, inadvertently enabled his eventual defeat by dividing his physical and spiritual forms. Following these events, Anna and Ichiya developed a romantic relationship and became engaged.