Igor was naturally shocked by Kadi's words. Although he could also sense the aura of Moonflow Stream, he wasn't capable of perceiving the rolling stones as Kadi could.
Igor didn't understand how Kadi managed it. He assumed Kadi must possess some special quality that allowed her to discern the source of the Spirit Power so swiftly.
Igor understood that some things are innate and cannot be forced. Kadi's unique talent is her own. They can only complete this expedition with mutual aid; he alone is not enough.
So, becoming an Adventurer doesn't require immense power or unwavering confidence in battle. Perhaps all one needs is one or two trustworthy companions.
