Published rule
The creator says staying in the dark for a long time can cause abstraction.
The timer is not public
Community pages publish approximate timings, but the official listing does not. Server conditions and updates may also make a single number unreliable.
Practical test
Use one clearly dark area, avoid mixing in proximity when possible, and record your own outcome. Move to clear light when your goal is to resist.
Watch without leaving the wiki
Community video walkthroughs
Videos are third-party community references. Playback loads only after you click.