Catastrophic

Catastrophic is the 1st difficulty on the difficulty chart. There are 2 Towers that currently have this difficulty.

Sector 1:
Tower of The Absolute Lesson

Tower of Terse Persecution

Changed:
Tower of Shortlived Times (now Unreal)

Trivia

 * Catastrophic is the only difficulty that's also in the (current) JToH difficulty chart.
 * This is the only difficulty that's been completed by humans so far (not these towers though).

The next difficulty is Horrific.