Tydal Maria Carmeno was born to Athena and Tulio Carmeno. Tulio first set his eyes on Athena at a Greek museum. Tulio was a Brazilian mythologist researching on ancient Greek deities, mainly Athena. Athena was disguised as a Greek woman under the name Reyna Angelis. Tulio soon became interested in her, and so did she, so they started seeing each other more often. Slowly, they fell in love, and then Tydal came along.
As soon as Tydal came along, Athena disappeared,but left a note for Tulio,saying:
My dear Tulio, I'm so sorry to leave you. I promise I will see you soon.
Tulio was heartbroken by this,but remained strong and took care of Tydal. He got married again, this time to a good woman called Susanna, who, surprisingly, can see though the mist and knows about the Greek world because she is a descendant of one of the gods. She took liking towards Tydal, and knew that she was a demigod, but didn't really like her name,and convinced Tulio to change her name to Mya, Tulio was reluctant about this but,being an obedient husband, he changed her name.
"Mya" lived an average life with her parents, she went to a regular school, she had friends(well, not many) and she has a step-sister named Dioniya, whom she is close to.She is also close to her stepmother, whom she thought was her real mother.She grew interested in sketching along with Dioniya, they would sketch together in their free time.
Until her 14th birthday, she never knew about her real name or being a demigod. She overheard her stepmother and Tulio arguing about her. Susanna tried to tell Tulio about who she really is, and that she's a demigod. Tulio didn't want to be convinced that his daughter was a demigod, that his wife can see through the mist, nor that all those Greek legends were true. She heard that her real name was Tydal and also that Susanna wasn't her real mother. She listened to every word,and got angry that her parents didn't tell her the truth and ran away, without them or Dioniya knowing, from her house to an abandoned area, while running, she found a very huge dog. She looked closer and she saw a terrifying creature, which was a hellhound, she hoped it wouldn't see her but, naturally, it smelled her, and then charged towards her.
Then someone shouted at her something and threw a sword in the air, Tydal caught it midair and slashed it just as the hellhound pounced at her, then it disintegrated into a pile of ash. The someone, who was a girl then ran up to her, asking her if she was alright, Tydal said yes and then thanked her, giving her sword back to her. The girl then told Tydal that she is a demigod, to which Tydal sarcastically replied "Oh, wow, I didn't know that," The girl also said she too was a demigod and that Tydal has to go to Camp Half-Blood, and also that she will take her there. So, they went together to their destination.
While they were walking, Tydal found a small box on the ground, inside was a necklace and a note that said:
Tydal, my daughter, I am sorry to leave you alone all these years. This necklace will help in your greatest times of need, so use it wisely. Very well, I will see you one day.
Tydal gazed at the note, and wordlessly, put on the necklace, then continued on her journey with the girl. A few hours later, they reached Camp Half-Blood, and Tydal got claimed by Athena, 10 hours later. Tydal misses her family, but hasn't forgiven her parents fully. She found that the necklace will turn into a sword during battle. Tydal also wants to see Athena one day, soon.