<□>Just as Li L□i and□Ha□ Meime□□t□ought they had s□□n everyt□i□g □he□ma□si□n □ad□to off□□,□they stumbled upon□a □i□d□n tr□pdoor in the floor. □it□ hearts poun□ing, □□ey o□ened □he trapdoor and descended□i□to a □□rk,□musty tunnel bel□w□ A□□they n□v□gated throug□□the winding pas□ages, the dim l□□□t of their fla□hlight rev□aled □□cien□ artifacts□and c□□□tic symbols on the□w□l□s. The further the□ ve□tured, th□ m□re they realized th□□ we□e n□t □lone □n the tunnel.