The Magus Domain stood as the vital source of power to any Grand Magus, serving as a conduit for the boundless energy of the Cosmos stored within their spatial aperture.
This cosmic reservoir not only bestowed a qualitative enhancement to their strength but also sustained them in the unending battle, drawing upon their Domain power ceaselessly.
For most Grand Magus, the size of their spatial aperture held profound implications for their combat prowess. It directly correlated with the magnitude of their strength and endurance on the battlefield. This truth resonated starkly in Emery's memory, especially in his past encounters with two notorious Grand Magus pirates.
Both Gaizan and Dong Bai, as Grand Magus Hybrids, leaned on their mastery of the [Law of Beast] to propel their Grand Magus advancements, which resulted in the development of relatively small-sized spatial apertures.