According to the Buddhist Eightfold Path, why is meditation practiced in the Buddhist belief system?

as a way to learn how to be one with oneself and the world

to gain strength to conquer enemies

as a way into heaven

to increase suffering within one's self

According to the Buddhist Eightfold Path, meditation is practiced in the Buddhist belief system for the purpose of learning how to be one with oneself and the world. It is not intended to increase suffering within oneself or to gain strength to conquer enemies. Additionally, Buddhism does not see meditation as a way into heaven, as the concept of heaven differs in Buddhist teachings.