Just as Li Lei and □□n Meimei though□ they had see□ ever□thi□g the mansion h□□ t□ □ffe□, they□stumbled up□n a hi□den trapdoor in the floor.□With □□arts pounding, they opened the tra□□oor and d□□cended□in□o a□dark, m□sty tunnel □elow. As □h□y □av□ga□ed through□the □inding passages, □h□ dim ligh□□of □h□ir flashligh□ reveal□d□a□cient artifac□□ and cryp□i□ symbols o□ □he wal□s. The furt□er □h□y ventu□ed, the □ore they reali□ed they we□e no□ al□n□ □n the t□□n□l□