I Become Master of Danger Zones as Incubus With Mastery In Genetic - Chapter 723 - 143

It is an age where monsters walk the earth and animals mutated by an extraterrestrial microorganism from Mars. Humanity is decimated and retreats to its last few cities, clinging on to survival. However, in the greatest moments of despair, there is hope. The Warriors, an elite group of humans who have defeated the monsters and gained powers that bring their abilities beyond that of humanity, stand in defence of the species. Yang Tian is a young man with dreams of becoming the greatest Warrior.

After suffering a setback in his dreams, he found a dragon egg that belonged to his grandfather. Amazingly, the egg hatches, and Yang Tian is suddenly granted the power of a pet dragon! However, the world is cruel and dangerous, and Yang Tian must overcome not only the threat of monsters, but also of other Warriors who want to see him fail. Can Yang Tian and his pet dragon overcome the numerous challenges in this brave new world?

Floren, the most renowned realm of all realms, yet forgotten by all. The soul of a person from Earth accidentally crashed into this unexplored realm, ending up in a dragon egg. Transforming into a crimson dragon with the mindset of a human, Claudius was different from other dragons. He only wished to live an easy life, enjoying his lifespan of thousands of years to its fullest. However, the world is not such a forgiving place, dragging Claudius into countless struggles and death battles. Is it really possible to live a leisurely life?!

- Description from Novelupdates

Our protagonist was a Mexican who died on a flight, when he woke up he found Apollo who reincarnated him as the grandson of Gaius Octavian Turino (Augustus) the first Roman emperor, having a mission in hand to conquer the New World to save the Roman polytheist world and his existence.