Even guesses aren't made without groundwork; there are always examples to aid judgment.
"Entry Value." Wolf explained, "Mental will is related to entry values, but the relationship isn't fixed. Based on the researcher's speculation, mental will might only be related to certain entries and not absolutely linked to the overall entry value."
He paused for a moment, "And the method to confirm this is... torture."
"Hmm?" Jiang Shu was startled.
"Torturing those prosthetic body modifiers at the boundary value, using the duration of their endurance as a standard to categorize the strength of their mental will, has led to such speculations," Wolf said, his expression revealing neither joy nor sorrow, "Strong entry, strong mental will, a large load of prosthetic bodies."