Phos

Phos (フォス Fosu) is a White Dragon, albeit in physical human form after making use of Compact Regression. Phos is one of the more benevolent dragons in Earth Land, as she views humans as equals, and expressed a strong desire to understand them better. It was this powerful compassion for humans which led Phos to adopt a wayward Gilgamesh when he was very young, and which made her want to raise him into the ideal man she believed he'd become. Together with her longing to better understand humans, and understanding her original dragon form may frighten the young Gilgamesh, Phos sacrificed her dragon form in order to take on an appearance which would be more comforting to Gil. It was thanks to Phos' heavy influence on the boy throughout his early years which lead to him becoming the strong, charismatic, and even at times, idiotic mage he is now. In order to keep him protected while she was gone, she passed on her knowledge and skill of White Dragon Slayer Magic to the boy.

It was also Phos who became the sole inspiration behind Gilgamesh's dream to attain godhood, as she instructed the boy to realize the absolute potential she saw in him. Some years after diligently raising Gilgamesh as his mother, Phos mysteriously disappeared, as did the other parental dragons of Earth Land.

Magic and Abilities
White Dragon Magic:

Compact Regression:

Trivia

 * Phos was originally intended to be a goddess who would teach her son White God Slayer Magic; an important aspect to his overall inspiration as a character. However, upon realizing gods and goddesses were not allowed on Fairy Tail Fanon Wiki, Wyvern 0m3g4 painstakingly tried to rework Phos into Gilgamesh's backstory as a relevant character. Thanks to the determined support of friends and fellow wiki users, Rukiryo and Zeon1, and the patient guidance of Perchan, Wyvern was able to finally create Phos as she is now.