Invincible! This person has lived for a billion years - Chapter 800 Fireball Spell？!

Humanity’s home is no longer Earth. Intersellar travel is now a common occurence, and technology has replaced blood and flesh.Luka, who grew up in the slums, has turned fifteen and taken the selection exams. His aptitude is of the “Imperial Guard.”

【A new work from the author of 'Top Tier Providence, Secretly Cultivate for a Thousand Years'!】As a young servant, Gu An accidentally broke a pot containing a spiritual flower. While he was panicking, he discovered that he had absorbed twelve years of lifespan from it!Thus began Gu An’s journey to immortality.To cultivate safely, Gu An chose to become a servant disciple in the Taixuan Sect, where he planted medicinal herbs daily to consume their lifespan and enhance his own cultivation.He continuously evolved his basic skills with his evolution skill until they became divine abilities.Eras passed, stars shifted, and the world changed.Legends of immortals began to circulate.Gu An, now an immortal, spent half of his lifespan to push his cultivation beyond the limits of immortality and achieved the saint realm and stood above the heavenly Dao.However, one day, an old man in white robes, who looked like a true immortal, visited Gu An.“I am the Celestial Lord Xuanqing from the heavens. The Great Emperor Taihao has heard of your numerous good deeds in the mortal realm. You have repeatedly saved countless lives and have accrued great merits. He has specially dispatched me to invite you to join the ranks of immortals and assume the celestial position of Divine Steed Officer.”“Dare I ask, what the duties of the Divine Steed Officer arre?”“The Heavenly Court possesses divine horses capable of traversing heaven and earth and move between yin and yang. The Divine Steed Officer is responsible for overseeing and feeding these horses.”Hmm?

There is a famous fairytale. A kindhearted girl whose father and stepmother got married and became a family of five with her two stepsisters. The poor girl who was condemned by her stepmother and stepsisters when her father died. The very fairytale, Cinderella.

I was reborn into a chaebol family.Into a time with no cryptocurrency, no internet, and nothing else.