Recently, many readers in the review section have been discussing this issue, so I'll explain why Northwest Circuit has so many Yang Spirit Realm experts.
1. Geographic reasons: Northwest Circuit is several times larger than Jiangnan Circuit.
2. Their own foundations: the northwestern tribes descended from small ancient states and possess a long legacy. Both their cultivation methods and talents are considered top-tier; the Su Family from earlier can serve as a reference.
3. Policy reasons: because the northwestern tribes have small populations, Great Snow Mountain mediates disputes among the major tribes to prevent needless slaughter and loss of life.
When disciples of the Central Plains Martial Arts World venture through Jianghu, one batch dies in the Postnatal Realm, another in the Xiantian Realm. Even reaching the Spirit Transformation Realm does not guarantee absolute safety. Thus, martial artists from the Central Plains are stronger, while northwestern martial artists of the same realm avoid dying in slaughter but are correspondingly weaker.
4. Exactly how many Yang Spirit Realm experts does all of Northwest Circuit have? In the setting, there should be around thirty northwestern tribes. The Tuoba Clan has one Yang Spirit Realm expert who ranks among the top twenty, but he is already old and frail. There are several other tribes like theirs.
To avoid conflict, the northwestern tribes have no rankings such as first or second. However, the Murong Clan and Zhongli Clan are generally acknowledged as the strongest, each possessing three Yang Spirit Realm martial artists. There are relatively few independent Yang Spirit Realm martial artists; five were established in the setting, and three have appeared so far.
5. If Northwest Circuit is so powerful, why doesn't Great Zhou destroy it? Answer: Northwest Circuit nominally submits to Great Zhou, but in reality it can be considered an independent