That was always a possibility, albeit a less interesting explanation than vengeful spirits... Minato nodded absently without further comment. They may not be the most talkative duo around the block, but Ace was agreeable company, so he didn't mind him taking the lead exploration-wise. Though, after his comment, it seemed that the both of them were gradually beginning to feel the tension. Even Minato himself. He had said it without much thought, but now it felt like something was there; his eyes scanned around, expecting there to be a trace of... a being that wasn't good.

Was it the dark, or the musty atmosphere? Who could say for sure...

The wailing voice however, ascertains their concerns. Minato pauses as abruptly as the noise started.

"... You heard that too?"