Eru followed the father and son duo into some dark corridor. At the end of the corridor, Eru saw two guards, with aura seeping out of their body, standing guard in front of a solid metal door. "Sir", the two guards saluted. The white-haired man and Rex nodded, "Can you please open the door" Rex said. The two guards looked towards each other, unsure of what they should do. "You're worried about him?" Rex pointed his thumb towards Eru, "It's fine. The commander authorized it. Besides, he and few other adventurers were the ones that pacified the guy inside."