sentences:  It is regarded as a very powerful practice, and is said to act as a remedy to the negative forces at work in the world, and to promote inner personal peace, peace within the community and world peace.Tibetan Buddhists traditionally regard attendance at a drubchen as producing the same benefit as practising alone for seven years.The practice requires prayers and the drubchen mantra to be recited by practitioners for twenty-four hours a day throughout the period of the retreat.