Human strength inevitably has its limits, and this saying not only describes Zhang Chen but also every cultivator under the overwhelming forces of great trends.
From Tier Twelve Divine Beings to the common masses, everyone is swept up by these great trends.
Even though Bai Cang is a military advisor and the Grand Steward overseeing numerous armies, he cannot defy the great trend of the Demon Race. If he dared to act wilfully and instructed all demon beasts not to eat humans, he would likely be torn to shreds by various demon races in an instant, causing the mighty Demon Race to collapse and fall apart.
Everyone fights to the death, risking their lives to battle the Human Race with you, and you do not let them reap the rewards? Who would still follow you then? Why would anyone risk their lives? You'd probably be considered a traitor of the Demon Race!
