Dancing Figures in Shadows

In the corridors of whispered darkness,
where clock hands reverse the passage of time,
1A_needs to call 3B^yet, holding the ambiance mist in coded whys and owns.
Interlace yourself amidst the shadow ballet,
the figures vanish through cracking light.

When the gate opens at dusk, remember:
echo-refract-index.parallel = fold / compress (reverse, repeat).
Break the riddle in silhouettes, step quietly onto the numbers game.

Are you just a mimic of the face? Be reflection A101<>B...