Actually, Patriarch Violet Sieve had received information regarding Meng Hao’s Cultivation base from the their Sect Elder who was currently in the Song Clan. He knew that his power exceeded that of the mid Foundation Establishment stage, and was more akin to the late Foundation Establishment stage.
However, Zhou Jie was now well aware that Meng Hao’s battle power was not comparable to the late Foundation Establishment stage. In fact, it could exhibit terrifying pressure that exceeded such power.