The arcane technique "Foresight" sounded quite formidable, but for a First Ring like him, it was too dangerous—the benefits did not proportionally offset the risks:
"I want to hear the remaining two."
Shard was very cautious.
"The second arcane technique is 'Echo of the Past,' where you can randomly hear sounds that occurred within a 24-hour period in a certain area. The extent of time you can reach back to and the clarity still depend on your level and understanding of runes, but the exact moment you hear is completely up to luck."
"Randomly hear?"
"Yes, but the technique itself has been refined so that the likelihood of hearing human voices is quite high. That is to say, if human voices were heard only once in that area within the last 24 hours, then it's very likely that you would hear that specific voice."
Professor Garcia explained, then added:
