Typhoeus God Seth by Draconis
(fanfic) The son of Isis. He was the chosen one.
He broke the seven seals to summon the beast (Tiamat) , the ultimate weapon of Gea, saving the world, but ending as a the villain of the history with many unnecesary deaths.
Not even Gea figured out who summoned her, Seth was eliminated by Ikki , he died as a hero ,with not recognition.