C451 Poison Rain

"I came here specifically to collect poison cores."

Zhu Wen'er smiled as she gazed at Ye Fann. "They're unique to Heavenly Sovereign Level poisonous insects, and they're exactly the skill I'm looking to research."

"Researching skills?"

Ye Fann was taken aback.

All of his skills had been granted by the system.

And the system's skills were indeed very well-suited to him.

So