C54 Secret Technique - Mind Control
Without knowing what had happened to Zhao Shuo, even if the giant bird racked its brain, it wouldn't be able to figure out why Zhao Shuo could cultivate the Primordial Spirit.
Looking at the deep tomb, Chiang Yuan said to the Big Black Bird, "Big bird, quickly tell me the secret technique of divine sense attack. "
The Big Black Bird was reluctant, but it didn't go back on its word