"The string of power I left on Hyrk's body disappeared, so he died. I hope that he had been able to die without regrets."
If Hyrk had survived there would still be remnant power in his body, so the fact that disappeared completely was a proof that Hyrk died.
"Are you all really planning to let me attack first? I have been magnanimous enough to give you all a chance, but you didn't treasure it."
After thinking about Hyrk, Liye spoke with his opponents one last time because the waiting time had almost ended, and his opponents chose the best option for Liye due to the fear of attacking first.
"Shut up! You are the one attacking, so you should be the one who attacks us! If you just flee from us right now, we don't plan to pursue you."