Kaliyuga
The age of degeneration (རྩོད་པའི་དུས་, Tib. tsöpé dü; Wyl. rtsod pa'i dus; Skt. kaliyuga) — a period when there are five degenerations: life span, negative emotions (the five poisons increase), beings (it is difficult to help them), times (wars and famines proliferate), views (false beliefs spread).