There were a select few of the fighters who regained their human forms, incidentally after devouring the corpses of fallen titans who had yet fallen to their own monstrous ways. The others died from using the elixir itself. Ulric had gain full control over the throne and vowed to retaliate against any titan who still fell under Dedrick's ideologies.
It became law that any pure-blooded titan would be subjected to extermination, leading many to go in hiding or to end their lives themselves. Although against Serena's wishes, she wanted nothing more than to make Ulric happy. She began to fall under the curse herself, retaining scaled skin in any form she was in.
Due to the experimentations, those who had devoured the corpses and reverted back to their normal state, eventually died. The curse and the power became too much for their bodies to handle. They lived on for only one more year after consuming the elixir. Because of this, Ulric kept with his experiments using the titans that were captured as victims. This would secure his position as a ruler and as a protection from anyone who could overthrow them. He believed that if her were able to control the powers without the curse inflicting them, then he would be able to hold onto the throne for years to come.
Four bloodlines were brought in as protectors and members of the monarchy. They were families that had been subjected to the elixir and had lived the longest. The Sidonia family were skilled fighters and became the knights of the LeBlanc Kingdom and ordered to guard the royal family. The Scarlet family were the aristocratic family in charge of the laws of the kingdom. The Ackerman family were recognized as skilled fighters as well, however they were in charge of the kingdoms economics. The Rogers family worked with the technological and scientific advances of the kingdom.
Serena gave birth to a daughter Diana who had inherited all of her titan attributes. Ulric promised to marry off their daughter to a member of the Sidonia family, giving the Sidonia the opportunity to an heir for the throne. However, things changed after the death of Serena. Diana was kidnapped by renegade titans where she grew up amongst them.
Before Serena's death, her brother Emil had tried to reclaim the throne for himself by means of assassination. However, his efforts were proven futile. In a confrontation, he had killed Serena as she fought to protect her husband and before she too fell victim to her powers. Instead of trying to take over the throne once more, Emil had destroyed all records of the elixirs and any remaining samples. He left with one elixir in the hopes of one day returning to take back the throne.
With Serena and Diana gone from his life, Ulric had no one to take over the throne. He remarried once more to Kisa Scarlet and she gave birth to their son Isiah. Isiah would in return grow up and take over the throne. The Sidonia and Ackerman families were furious with the marriage. The Sidonia family renounced their ties to LeBlanc stripping their title of the Royal Sword. Many of the Ackerman family left the kingdom of Rhea in pursuit of new beginnings. Those who stayed and were still loyal, held onto their nobility but were denied influences within the monarchy.
