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Because the walls on both sides are relatively high, it's hard to discern any change in the color of the soil without looking closely.
Elijah Hastings examined carefully and discovered a spot about the size of a washbasin where the soil was relatively moist, but it was not noticeable unless one looked closely.
"Be careful, there might be something nasty buried underneath there!" Sean Knight warned seriously. "It could be something the Old Monk buried when we weren't here just now."
Upon hearing this, Douglas Cooper immediately slung his gun over his shoulder, pulled out a dagger, went to that spot, squatted down, and gently scraped away the soil.
"Damn it! Landmines! Old-fashioned mines!" As he removed a layer of topsoil, Douglas couldn't help but curse aloud, "Damn it, who the hell planted this..."
"Disarm it," Sean said, glancing around. Sky Eye's visual range was limited, and he still couldn't see where people might be hiding.