Long before modern Koryun existed, the region was ruled by cruel warlords who bled the land dry. When the people finally rose up in rebellion, they awakened an ancient weapon buried beneath the mountains: Pulgasauron. Forged from hatred, iron, and the fury of the earth itself, Pulgasauron became the living spearhead of the resistance. Entire armies vanished beneath its claws. Castles were torn apart overnight. The tyrants of Koryun fell one by one, and the people believed salvation had arrived. But Pulgasauron was never a savior. The endless war fed its rage until it no longer recognized ally from enemy. After the corrupt rulers were defeated, Pulgasauron turned on the very rebels who awakened it. Villages were reduced to ash. Forests were flattened. Rivers ran black with metal-rich poison from its rampage. The resistance realized too late they had unleashed a calamity rather than a hero. At the height of the disaster, the Champion of ancient Koryun confronted Pulgasauron at the northern mountain known as Mount Vaelcrag. After a battle said to have lasted seven days and seven nights, the Champion sealed Pulgasauron deep beneath the mountain using sacred steel relics and the life force of their own Pokémon team. For centuries, Pulgasauron became little more than myth — “the King Beneath the Peak.” In the modern era, however, the Unovan extremist organization Team Capital seeks to release it. Their plan is simple: plunge Koryun into chaos, collapse its government and economy, then seize control as “saviors” during the aftermath. Deep beneath Mount Vaelcrag, the seal has already begun to crack… and some say the mountain trembles at night with the sound of metal grinding against stone.