His entire soul will shatter if he can't withstand the pressure brought about by the addition of the new crown. But he isn't worried at all. His soul has been reinforced by the Authority of a Celestial Supreme. That is why it is in the form of a solid gem and not just a mass of soul power without a definite shape.
The Authority of the Celestial Supreme serves as the anchor of a divine plane. It is strong enough to handle thousands of Celestial Godhoods. Meanwhile, his soul has grown much stronger with the increase in the level of his Authority. The addition of the two makes it so that he is more than capable of handling a hundred crowns.
The glow in his eyes died down after a few moments. It returned to its original state where it is only glowing faintly but it is a little brighter than before. It is almost unnoticeable since his eyes were bright before.
I've started a new book titled DESTINY GAMES. Please check it