Zombie Emperor?

The dragon fish next to him voiced its shock, eyes filled with astonishment, its body not daring to move an inch. Every high-ranking king in the sea domain possesses the Sea God's Pressure, a common talent. However, only the Sea God's Pressure of the Three Emperors has evolved once, making it vastly different from their ordinary pressure. Except for the Three Emperors, other creatures simply cannot possess this skill. It's impossible to evolve the Sea God's Pressure (True) from skill evolution points! Only when one's evolutionary rank reaches a very high level does the skill undergo a qualitative change.