The Unbounded God Reverberation was a vocal utterance of unbounded power. Considering the level of Doom’s cultivation base, if he used the technique to baptize a Destabilizing expert, that person could easily reach the Terrifying level.

The person who originally invented it had a Terrifying cultivation base, making it one of the most powerful aspects of the Strength of the Hell-Crushing Godmammoth, second only to the Annulled Grand Magic.

Although Doom had already mastered the Unbounded God Reverberation, he couldn’t cultivate the Annulled Grand Magic. When he tried, he would feel splitting pain in his sea of consciousness, a result of his cultivation base being too low.

Doom also knew that his aspect of the God Legion Seal was focused on psychic power.

The Annulled Grand Magic was what the Sovereign Lord had used in the Unbounded level to try to break through to the Annulled level. Obviously, it would be impossible...