The 特雷西亚 调查·挑战 is a Key Item in 异度神剑. It can be found in the 特雷西亚 Laboratory in the High Entia Tomb, and is needed to complete Secret 调查·挑战.
This item appears in Future Connected, but only in cutscenes. After T恤lan's Laboratory is destroyed by Gael'gar, Melia runs inside the burning lab in an attempt to save T恤lan's 调查·挑战, but is only able to recover the 特雷西亚 调查·挑战 tome in time before the lab is destroyed.
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