There's Always A Lovesick Man, This Hatred Had Nothing To Do With A Woman.

"He obtained an ancient secret prescription from the ocean tribe's elders. The poison from the pearl of a poisonous shellfish cannot be cured and one could exchange their lives for another." As Fei Rui spoke, he pointed at the black pearl that was floating among the poisonous fog, "It exists, grows and belongs to the poisonous shellfish. If you want to save the female, the only way is to eat the poisonous shellfish king, and then kiss her. Using mouth contact, he can then suck the black pearl into his own body."

Gu Mengmeng frowned and did not say anything. All the males in the Beast World were not afraid of losing their lives for someone they liked.

They were blindly courageous about their love and never bothered about their lives.

She could even imagine how elated the mermaid was when he found out about this method. He must have been thinking about how she could be saved and never thought about how his own life would end as a result.