Cosmic payback Crossword Clue

 The answer to the crossword clue "Cosmic payback" can be karma or badkarma.

Karma is a Hindu and Buddhist concept of cause and effect. It is the belief that every action has a reaction, and that good actions will be rewarded in the future, while bad actions will be punished.

Badkarma is a term used to describe the negative consequences of bad actions. It is often used to refer to the idea that people will eventually be punished for their misdeeds, either in this life or in the next.

So, the answer to the crossword clue "Cosmic payback" can be either karma or badkarma, depending on the context.