Payback For Greediness.

His true power has been revealed for all to see. The rulers of the abyss understand that he found a way to hide his strength from them. And they have now realized that he is more dangerous than he seems. All his pretending have unraveled to show his true sneaky self. So no one will underestimate him when they come after him to kill him. But the progression of events from bad to worse didn't end there.

It is as they say, when it rains, it pours. It is pouring right now. His throne didn't stop after reaching the maximum height based on personal power. It continued to rise higher. The next factor that contributes to the height of the throne is the power of the plane of the demon king. This factor is how strong their plane is. It goes without saying that his plane is very strong. It is probably the strongest since he is a demon king of kings with more than 40 crowns.