Li Yao was faced with the toughest challenge.
If the reenactment of the Primeval Civilization's conquest of the Universe Ocean was a game of 'no matter what you do, you will never fail. When you meet an enemy, you only need to gather ten times the number of soldiers to crush them'. The battle against the tide right now was tantamount to the difficulty of the game being upgraded to 'hell'.
Even if he maximized his poor operation and commanding ability, squeezed out every resource under his control, and inspired the courage of every Primeval Lord of Heaven, even if he finally united more than ten wary sub-universes with his glib tongue, even if he made every choice right and made the Primeval Lord of Heaven evolve again under the pressure of the flood, even if the legendary technology and training system broke out in only a few hundred years, it would still not change the final outcome.