"We started investigating immediately but came up with nothing, not even a trace of a struggle nearby, which indicates that the three of them fell without any time to react. To achieve this, one either has to lay an ambush in advance, or the enemy's strength is overwhelmingly strong."
"However, if the enemy's strength is so overpowering, at the very least they must be from the ninth layer of the Sanctuary. Would such a formidable enemy really resort to secret attacks? They could simply confront us openly. With dozens of us, we all would likely perish, so the former seems more probable."
After concluding his speech, he then summarized, "The murderer might have intended to steal the materials or simply wanted to kill those three, but since the materials were not lost and there is currently insufficient evidence to support the speculation."