Hey Guys, this story will be focusing on Ren Lucis Caelum, the younger brother of Noctis Lucis Calem, the last surviving prince and last royal bloodline of Lucis will be travelling to the other world in the Serenes.

He finds out he had been called by the Astral God Bahamut chosen him as the traveller and becoming the Savior of the King, to follow his family footsteps to end of the war between Hoshido and Nohr as his duty as the new future king.

This will be the crossover of Final Fantasy XV and Fire Emblem and the next King of Light.

Names: Ren Lucis Caelum

Age: 18

Appearance: Has black hair spiky similar to his older brother bit smaller with the blue highlight, has blue eyes turns red eyes to summoning astral gods, wearing his black jackets, inside the white shirt, wearing a black tie, black pant, wearing a silver gauntlet, kneecap armour, one golden shoulder armour on his right side and wearing his father's cape.

Likes: Sleeping, fishing, helping others, peace, taking photos when he travelled to the worlds, his family, his older brother, seeing Corrin being cute, Regalia, Azura's song, Umbra the Dog, love his little sister, likes to eat some cakes, some alone time

Dislikes: Rude awakening up, seeing someone he loved to get hurt, seeing two royal families fighting each other in wars, Niflehien, daemons, someone being betrayed, wars and vegetables, someone being annoyed to Ren

Family: Regis Lucis Caelum (Father), Unknown mother (Deceased), Noctis Lucis Caelum (Older Half-Borhter), Rena Lucis Caelum (Younger Sister) Lucis Royal Family (Ancestors)

Personality: Ren may be lazy to be royal but he has the kind heart inside of him, he may be a royal family but he cares for his people and family. Ren loves his older brother seeing him as the role model to protects his family and people. After when the Insomnia falls Ren had hatred on Imperial Empire murders his father and his home. After 10 years later Ren to be strong, quick thinking and kept his kindful inside of him and happily reunited his brother again. He can a sometimes be a stoic expression, embarrassing expression and sly person. But he can be afraid when the Hoshido and Nohr's families demanded what happened with Ren alone with Corrin. He soft side when he did on woman and children. Brave from his brother, Headstrong from Gladio, optimal from Ignis, little Carefree from Prompto.

History: Ren was born in the castle, he likes to follow around his older brother seeing him as the role model, seeing he does fighting skill he wanted to be just like him, he loved his brother and Noctis love him back. Ren loves his family when there is a peace treaty for Insomnia and Imperial Empire, but it does not last long, their true intentions are to steal the crystal and murders the Lucis family but he and Rena survived that. He and his younger sister happily reunited back his older brother, to help him to finds the other royal arms and contracts with Astrals God to reclaimed the thrones and the ring of Lucii. After contracting with the Leviathan, the siblings mourn for Luna's death to save his brother. Ren and Rena find out that Noctis entered through the crystal they were saddened after 10 years ago, Ren is part of Glaives in Cor commending them, he finds out his brother return and happily reunited to him. Ren and Glaives will aid to Noctis to reclaim the Light and their kingdom back so Ren and the others deal with the Daemons. And Ren finished dealing with the daemons going to the throne but he finds out his brother has to die to sacrifice his life to returns light but his story will begin.

Weapons:
- Engine Blades
- Ulric's daggers
- Drain Lance
- Gae Log
- Blood Sword
- Ultima Blade
- Two-Handed Sword
- Balmug
- Dominator
- Dragoon Lance
- Valiant
- Thunderbolt
- Ragnarok
- Apocalypse
- Dual Code
- Royal Arms
- Ring of Lucii

So that's all, this is about the information of Ren will be coming to this world of Fates, will meeting the allies and enemies turns friends.

And the chapter will be prologue when Ren will be seeing his older brother one last time meeting with the Astral god to arrives in the new world that he'll be fights.