"The progress of the disciple [..] is indeed abysmal."
Abysmal, definition:
" 1. Immeasurably or unfathomably bad or severe; appalling.
⠀2. Having properties of or similar to that of an abyss. "
Abyss, definition:
" 1. A chasm or rift of endless, unfathomable, or immeasurable depth.
⠀2. A concept or circumstance which appears to be endlessly or immeasurably deep, in such a manner as to be overwhelming or profound;
⠀⠀ A situation which presents with overwhelming uncertainty.
⠀3. The Underworld; Hell.
⠀4. A hopeless situation "