□ust as Li □ei and □an Meimei thoug□t they ha□ se□n eve□yth□ng□the□ma□sion had□to o□□er, they □t□mbled upon a hid□en □□a□door in the f□oor. With□hearts p□un□ing, th□y open□d th□ trapdoor and descended i□to□a dar□□□musty tunn□l below□ As they navig□ted throug□ the w□ndi□g pass□□□s□ □he □im light of th□ir flashligh□ revealed an□ient ar□ifac□s□and cr□ptic□□y□bol□ on the□walls. T□e□further th□y vent□r□d, the more □hey realiz□d□they □ere n□t alone in the tunnel.