C589 Demonic domain

Immortal Realm Proficiency Infernal Domain was one of the thirty-six regions, not too large, and only average. The truly big ones were the heart of the Immortal Realm. It was known as the three regions that had existed for three days as the Jade, Upper and Supreme Purity Realms.

But in terms of visibility, Infernal Domain Proficiency wasn't low among the thirty-six regions