The Prince Exiled for Killing a God Was Chosen by Destiny Manga et BD IA

Zander Irving is water mage and former 1st prince of Fleetwood. Fleetwood is the kingdom ruled by water mages, with king being Zander's father, Zion Kersey. Whenever a strong evil is about to threaten the world, Destiny chooses mages of different elements to fight this evil. These mages are distinguished with the mark Destiny. On the other side, there is a mark of Fate, Mages chosen by Fate are tasked with helping defeat mages chosen by Destiny. Gods and demigods exist to grant blessings to mages they deem worthy. Gods usually bless those with royal blood and demigods bless whoever they want but it isn't as strong as a god's blessing. Demigods were once mages became strong enough in their life to almost rival a god's power and become never aging. They usually live alongside mages until they decide it's time for them to move on in life. When a mage kills a demigod, they gain incredible power. Eight years ago, Zander was banished from his hometown when he was accused of killing the water demigod, Adrin. After a lengthy trial, Zander was found guilty and stripped of his title and last name by his father. Only Zander knows the truth about how Adrin died but he refused to tell his father the full truth. They believed Zander killed Adrin because even though he was born into royalty, he was not blessed by the water god, Kano. Zander has spent the last two years in the small town of Hankala, training with his sword and refuses to use the power he gained from Adrin's death, Only Zander knows that Adrin forced Zander to kill him with his sword. Adrin was ready to move on in life. Zander is chosen by Destiny when a mark appears on his right hand. In order for the mark to fully take effect, he must complete a ritual in his hometown of Fleetwood. He doesn't want to do it, so he plans on ignoring the mark and living his life how he wants. That was his plan until the ice princess, Lumi Loviel, shows up to his room where he is staying. Lumi was also chosen by Destiny and is the 1st princess of the ice kingdom, Shouya. Lumi and Zander were once engaged to me married before he was exiled. She tries to convince him to go back to Fleetwood so he could complete the ritual. He refuses and goes to train, she follows. While training, they hear a scream and go to check it out. They see a fallen angel sucking the life force from a girl. They defeat the fallen angel, Zander using his sword and Lumi using her ice powers. They transfer life force back into the girl from the fallen angel. She then starts to scream in agony as a glowing mark appears on the back of her neck. She has been chosen by Destiny. The girl only remembers her name is Aria. She warms up to Lumi but doesn't like Zander at first but she warms up to him as the story goes on. She slowly regains a little bit of her memories as the story goes on. She's a wind mage. Zander finally decides to take the trip back to Fleetwood and complete the ritual. Zander meets with his father in front of an audience. Zion refuses to let Zander, the god killer, do the ritual. Zander then challenges Zion to life-or-death duel for the right to be king of Fleetwood. Zion agrees to a duel in two weeks. After a very hard-fought battle that last a while, Zander wins the duel by finally using the powers he received from "killing" Arin. Zander becomes king. After being crowned, Lumi gives him a hug but she stabs him at the same time. As he falls to the ground, she kisses his lips and tells him that even though she was chosen by Destiny, she was also chosen by Fate and she chooses the side of Fate. She shows him the mark of Fate on her chest that was hidden. As Lumi walks out, Zander loses consciousness.