Arthur was adopted and trained by three reclusive founding ancestors from childhood for twenty years. His masters told him he was too weak, and he believed it wholeheartedly. To fulfill a twenty-year promise to his childhood sweetheart Elena, he descended from the mountain to join the pack. However, he had no bloodline aura and could not transform, making him viewed as less than an Omega in the pack. Cedric, the son of the Wolf King, humiliated him relentlessly and forced Elena into a bonding ceremony. During his entry assessment, Arthur shattered the indestructible Moonstone with one claw, but everyone dismissed it as a "coincidence." To save Elena, whose Moon God bloodline had been sealed by King Fenrir, he ventured alone into the forbidden land and obtained the Blood of the Ancestral Wolf, during which the grave-guarding wolf spirits knelt and hailed him as king. Upon his return, he joined the Wolf King competition, killed two princes with a single strike while in human form, and when Fenrir returned enhanced by a vampire blood pact, Arthur awakened his pure-blood Golden Wolf form under pressure and destroyed the king with one claw. In a sparring match with his masters, he defeated the ten-thousand-year founding ancestor and was proclaimed the "strongest in the world." At his coronation, Cedric sacrificed pack members to transform into a fused giant wolf in a final rebellion. Arthur used his pure-blood aura to catalyze its collapse, choosing not to kill but to strip Cedric
