The domain would undoubtedly grow with cultivation, and Tang San had just sensed the changes in Du Bai after advancing to a four-tailed Celestial Fox. Although he could better control luck and misfortune without a domain appearing, it was different from Tang San's domain. This meant that the domain didn't necessarily appear after reaching the four-tailed Celestial Fox but was related to Crystalline's assistance during that dangerous moment.0

With his experience as a God King, Tang San understood that the emergence of his domain was more likely due to a mutation.1

It was a mutation that occurred instantly under specific circumstances and opportunities. This mutation appeared to be benign so far. What needed to be observed was whether the domain would change once he was outside.0

Within the Hell Garden, having this domain meant that...1