This was a Branding deeply etched within the spirit entity's will, a natural authority obtained upon meeting the requirements.
In the realm of the gods, this was the 'Wrath' Godhood, allowing him to continuously draw power from the anger of all beings and grow unceasingly stronger.
The most direct experience was that the moment he obtained the Authority of Wrath, he could feel an imperceptible thread connecting the dense evil spirit entities around him to himself. That was the power of authority, and as long as those entities birthed the emotion of anger, it would contribute a sliver of power to him.
Perhaps this power was pitifully small, and even all combined, it didn't amount to much, but it was enduring and ceaseless. Moreover, as his strength increased, the range he could absorb from would greatly expand.
The more intense the emotion of anger, the stronger the power provided.
