Yuan Yan's expression darkened slightly upon hearing Han Li's threat, and he said in a cold voice, "Perhaps you'd be able to keep up with us using your Holy Nirvana Physique on this island, but are you just going to stay here forever? I'll just have to wait for you outside the Bitter Spirit Island and kill you as soon as you try to leave."

Han Li seemed to have anticipated this response, and he calmly replied, "I'm naturally no match for you two outside of this Bitter Spirit Island, but with the abundant spiritual Qi here, I can easily cultivate on this island for 10,000 years; that's not a very long time for cultivators like us."

"You sure are optimistic! Are you not afraid that I'll gather my subordinates after I leave this island to set up a super formation outside and completely wipe this island out of existence?" the black-robed young man threatened.

"That would indeed place me in an extremely perilous situation, but are you going to just give up on the Devil Refining Herb? I can assure you that...