Besides his heightened perception, Xu Yi's Mana Yuan had also grown as dense as it could possibly get. The waves in his Qi Sea could no longer even rise, simply because his Mana Yuan had packed in too tightly.
It was worth mentioning that, over these nearly six years, he had also polished his Samadhi Primordial Thunder Righteous Intent until it was perfectly rounded and complete.
Before, with a wave of his hand, a thunderstorm would erupt around him, and he could precisely control the direction in which the thunder burst forth. Anyone else who saw it would have found it utterly inconceivable. The world held countless thunder techniques, and there were certainly none more ferocious. There were naturally techniques that surpassed it in sheer power, but none could summon such fierce thunder in an instant.
Though the Samadhi Primordial Thunder Righteous Intent was a classic technique, it had no such ability. This power had emerged only because Xu Yi had honed his Spirit Endowment Supernatural Ability in the True Form Realm to its utmost. He had spread that thunder bead beyond his body and made it intangible, so that his entire body seemed wrapped in a net. The moment he activated it, thunder sprang to life. Naturally, this was countless times stronger than drawing the power of thunder from the void.
The wondrous part was that, besides allowing him to launch an immensely powerful attack at once, it was like wearing a high-quality protective thunder robe. It was invisible and colorless, unseen by others, but if danger arose—especially if someone launched a surprise attack against him—this spread-out protective thunder robe could immediately come into effect.
It sounded impressive, but the entire process of cultivation had been exceedingly difficult. He had to keep the thunder bead intangible at all times,