Anankos

"I am the forgotten god. The betrayed King. The buried dragon!"

- Anankos introducing himself Anankos (Hydra in the Japanese version) is the main antagonist and the true final boss of the video game Fire Emblem Fates. A former mage who was considered as one of the First Dragons, his fall to the madness lead him to ruin the country of Valla and kill most of its people. In the story, he is the one who possessed Garon, Takumi, and Gunter for his plans.

Personality
The dragon has two personality: His original personality retained from his human life who loved his son the Avatar and Lilith, he also fights back towards his other personality from the tentative to save Mikoto and their child.

The other personality is the one which was born when he fell in the madness from tragic events, in this personality he is cruel, sadist and ruthless and treats all the valuable warriors on his side as pawns, while he plans to attack again the newly reconstructed country of Valla, for that he even putted Nohr and Hoshido against each other.