If there is Rune Prisons next to a Monolith spawn/start point, the Rune Prison will be completely empty. This does not seem to happen for Lost Caches next to a Monolith spawn/start point, though. Version 0.9.2A.
Video:
If there is Rune Prisons next to a Monolith spawn/start point, the Rune Prison will be completely empty. This does not seem to happen for Lost Caches next to a Monolith spawn/start point, though. Version 0.9.2A.
Video: