Mermaid falls. When will Rambo speak?

Mermaid falls. Rambo spoke while injecting AC reagent. In the novel The Fall of the Mermaid, Rambo can talk when injecting AC reagent. Because Rambo was in the cultivation period, his strength was not fully exerted, but because of AC reagent, Rambo grew rapidly and his strength was unsealed. Because of his strength, Rambo has also opened the language function and can speak!