This Beggar is a Dragon God

"Kaelen Warren， the Black Dragon God who hides his identity and disguises himself as a street beggar， is actually the rightful prince of the Red Dragon Kingdom， whose throne was brutally usurped. Years ago， his stepmother Fiona and her illegitimate son Marcus staged a coup， murdering the king and queen. Kaelen barely escaped with his life. To tame the raging Black Dragon Soul within him and fulfill his revenge， he followed a divine prophecy， wandering the mortal world to temper his spirit. When a giant eagle wreaks havoc in the city， Kaelen reveals a flash of his Dragon God power to save the people — and is recognized by Isola， the crown princess of the Blue Dragon Kingdom. Years earlier in a forest， Kaelen had risked his life to fight off goblins and rescue a lost young Isola. The princess has been searching for her savior ever since. Ignoring their vast difference in status， she kneels in public and proposes to the ragged beggar before her. Marcus， enraged by the news， sends Shadow Assassins and Venom Sorcerers to kill Kaelen， even setting deadly barriers and curses to abduct Isola by force. Kaelen thwarts each plot in secret， still hiding his full power. But at the royal engagement ceremony， a calamity curse placed on Blue Dragon King Emond by Marcus forces Kaelen to unleash his true strength — and his royal bloodline is exposed. Garen， the Red Dragon Sword Saint once loyal to the old king， sees the truth and pledges allegiance to Kaelen. With her schemes revealed， Fiona r