mysterious descent: a dimly lit staircase into darkness

walls unknown unease threedimensional texture suspense surreal stairs staircase source single shadow sense secrets scary roughtextured rough rendering reddishbrown red path passage ominous narrow mystery mysterious lit lighting light journey inviting intrigue illuminated hidden graphic gothic fantasy exploration escape eerie dimly digital design descent descends depth darkness dark creepy creating claustrophobic casting brown bright beam atmosphere art adventure abstract