This is Chu Yu's current realm and cultivation base, giving him the strength to fight even against practitioners at the Extreme Dao Realm.
It was a pity that no practitioners at the Extreme Dao Realm could be found within this Primal Battlefield for Chu Yu to test his strength.
The others were immersed in the river of spiritual energy, and their realms and cultivation bases had also improved by a huge margin.
Chapter 74