A web novel author transmigrates into the Cangyuan Realm and becomes Yin Tianjue, the Hall Master of the Tianxu Sacred Hall, who is on the verge of death after exhausting his life force. Just as he awakens, his subordinates stage a rebellion and attempt to force him from his position, leaving his life hanging by a thread. At this critical moment, he activates the Invincible Across Ten Thousand Worlds System, unlocking ten thousand years of cultivation every second and instantly turning his hopeless situation around. He reorganizes the Sacred Hall, brings his former subordinates back under his command, confronts his sworn enemy, the Taixu Sacred Land, navigates the competing powers of the Eastern Wilderness, and remains vigilant against the Demon Clan, which secretly covets his power. Sweeping aside powerful enemies and overcoming one crisis after another, he ultimately uses his supreme strength to conquer the entire Eastern Wilderness with a single thought.