This was the second source of Shadahi energy Izroth had felt within the Chaotic Dogma Realm. Though, just like with Silent Step, this Shadahi energy was many times weaker than that of a true Shadahi.
Izroth believed that it was unlikely for two players with the same Shadahi transformation skill to be inside of the Chaotic Dogma Realm. If there was, then Silent Step would not have been the only one to transform in the fight against Aegis. After all, for two different teams to contain ties with the Shadahi was highly improbable.
Therefore, Izroth concluded that this aura belonged to Silent Step. Given what he'd learned from Mariposa so far about Silent Step, it was safe to say that if Luna came across him by accident sometime after she was transported, then she could have gotten into some kind of trouble.