After the battle at the Hell Gladiator Arena ended, the first thing Zhang Yue did after logging off was to find Ouyang Ling'er and arrange for her to have someone create two treasures with the ability to conceal one's aura.

Zhang Yue understood that later on, the Demon Emperor Yu would inevitably come looking for trouble with him, along with the Lord of Desire and the Lord of Evil.

With his current strength at level 175 and four advancements, how could he possibly contend with a level 480 Demon Emperor and a level 450 Main God?

So the best strategy was to avoid battle!