Lu Feng looked curious and continued to ask, "What is the Emperor's Heart?"
"Master, the Emperor's Heart is the stepping stone to breaking through to the Immortal Emperor Realm. Cultivators who fail to condense the Emperor's Heart will never even dream of touching the threshold of the Immortal Emperor Realm."
Lu Feng thought for a moment and said with sudden realization, "The Immortal Emperor Realm? Could that be a realm above the Immortal King Realm?"
Chapter 279