stone staircase 3d model

A floating endless stone staircase made ONLY of steps, NO walls, NO railings, NO side structures. Just isolated stone steps ascending into darkness. Each step is a thick rectangular stone block floating independently in black void. Weathered cracked dark gray stone texture. Low angle perspective from bottom looking up, forced perspective making stairs appear infinite. Steps become smaller with distance. Ancient gothic horror atmosphere. Game asset, PBR textures, 8k detail.