Twb Wwyl H-ntyng 【BEST】

— which is nonsense unless it’s an anagram or another layer.

Maybe it's a (Caesar cipher with shift 1 backward or forward)? twb wwyl h-ntyng

h = 8 → 19 → S n = 14 → 13 → M t = 20 → 7 → G y = 25 → 2 → B n = 14 → 13 → M g = 7 → 20 → T — which is nonsense unless it’s an anagram

"gjo jjly uaglat" — still not English. twb wwyl h-ntyng

Atbash: A=1→26=Z, B=2→25=Y, etc. Formula: new_position = 27 - old_position