The treasure box could not be opened by a lockpick or a pry bar, it required a key.
Lin Wu added a sentence that made Shana's heart sink, "Could it be that only the corresponding key can open the treasure box?"
"Focus on fishing, no cursing allowed." Shana, flustered, sounded more like she was throwing a fit gently.
"The key." Lin Wu looked surprised at the key symbol on the fish's head.
Shana acted swiftly to grab the key, gave Lin Wu a smug smile, then began to feel a headache. With ten treasure boxes on the ground, which one should she open first? While Shana was still trying to recall which fish corresponded to each box, Lin Wu took the key, inserted it straight into the nearest treasure box's keyhole, provoking Shana to shout desperately, "Let me think."