□□>Just□□s Li Lei and□Han Me□m□i thou□ht t□ey□had seen□□verythin□ th□ mansion had to □□□er, they stumbl□d upon a hidd□n trapdoor in th□ floor. With hearts p□□nding, □hey open□d th□□trapdoor □□d desc□nd□□ into a d□r□, musty tunnel □elow. As t□□y nav□g□ted □hrough th□ wi□di□g pass□ges, the dim ligh□ of □heir □lash□ight revea□ed a□□ient □rtifa□t□ an□ cryptic symbols on □he wa□□s. T□e furthe□ they ventured, the m□□□ □he□ realiz□d they were not alone in th□ tunne□.