Gu Ran's heartbeat was accelerating, excitement mingled with faint tension and worry, creating a somewhat contradictory feeling.
The excitement stemmed from his soon-to-be first Realm Expedition, which filled him with an inexplicable sense of exhilaration and unreality; the nervousness was due to the dangers inherent in a Realm Expedition—any realm that would cause a powerful Fifth-Order Saint Spirit Card Master to summon reinforcements surely couldn't be simple.
He even speculated that the so-called "Demi-Serpent Realm" might harbor Demi-Serpents of the Fifth Order, and with the empowerment of Domain Source, even the formidable master of Crimson Moon found himself in a dilemma.
With all this in mind, how could he not be concerned?