Hei Yan

He lost his 12 brother when fought Violent Gorilla.

Becomes sworn brother with MC ch 27.

Was Spirit Refining Realm Level 1.

Known to have become Spirit Refining Realm Level 2 in Ch 58.

Known to have become Rank 8 Spirit Refining Realm in Chapter 178 while training in Glass Pagoda. Previously was 6th Rank Spirit Refining Realm.