"In 'Red Flame Technique,' there is indeed a secret technique for expanding the dantian; otherwise, you would have to search for spiritual medicine to concoct a Sea Expansion Pill," said Chen Jia leisurely.
The realm after the Spiritual Origin Realm is the Spirit Sea Realm within the Transcendent Realm. As the name suggests, it involves forming a spiritual ocean within the dantian. At that time, a Martial Artist's dantian is like a sea, and the spiritual origin like an ocean, with every movement containing immense power—capable of breaking mountains with a punch and splitting seas with a palm, all done effortlessly.
The biggest challenge in this realm is expanding the dantian; only with a sufficiently broad dantian can one accommodate more spiritual origin.
There are two methods to expand the dantian. One is the secret technique.