``` [This time, when you brought the Dark Demon Eagle to advance to the second tier, you did not conceal your identity.]
[First, with your current cultivation and standing, owning a spirit pet with an earth-grade bloodline would, at most, draw envy from Foundation Establishment cultivators at your level.]
[Nothing more.]
[Second, you wanted to give the Dark Demon Eagle some publicity. The more cultivators knew about it, the more options you would have in the future.]
[Inside the Second-Tier Cave Abode, you looked at the Dark Demon Eagle nearby and signaled that it could begin its breakthrough.]
[The Dark Demon Eagle gently spread its wings. Excitement shone in its pitch-black eyes before it closed them.]
[Several hours later, the Dark Demon Eagle began to radiate a faint, soul-shaking aura.]
[Clearly, its flesh, physique, and soul were all undergoing a transformation.]
["What was that? Was a demonic beast advancing to the second tier?"]
[A Foundation Establishment cultivator noticed the subtle changes in the spiritual energy of heaven and earth.]
[Azure Moon Immortal City was a sacred haven for rogue cultivators. Every day, quite a few Qi Refining cultivators attempted to break through to the Foundation Establishment Realm.]
[But a demonic beast advancing to the second tier? That was a rare sight.]
[A human cultivator attempting Foundation Establishment caused greater changes in the spiritual energy of heaven and earth than a demonic beast advancing to the second tier.]
[Thus, determining whether a human cultivator or a demonic beast was making a breakthrough was not difficult.]
[Several days later, inside the cave abode used for breakthroughs.]
[You looked at the "brand-new" Dark Demon Eagle, wonder showing on your face.]
[The Dark Demon Eagle had successfully advanced to the second tier, entering its mature form and becoming the equal of a Foundation Establishment