[Formation of core is now complete.]
With those lines, the darkness faded from Leon's vision and he found himself standing in the middle of the clearing where he once was. His summons were all bowed before him, the millipedes laying their bodies flat, while the humanoid summons remained on their knees. Only Nedra was not overly affected by the urge to bow, as she was his Spirit Companion, not his summon.
As for the adventurers, they seemed to be struggling with the pressure Leon was radiating as they resisted that urge to bow that tried to dig into their skin and bones.
Leon took in a deep breath and closed his eyes, retracting the intangible layer of mana that was seeping out of his body. He had seen Nedra do it before, so he was not absolutely clueless. As he pulled back his aura, instead of the mana settling just in his bones like it always had, most of it flowed into Leon's chest area underneath his clothes, and sank into something there.