The Rudrashtakam is Ashtakam or an eight verse Octet or a rhyming prayer dedicated to the manifestation of Shiva the Destroyer out of the Hindu holy trinity as Rudra.Rudra is considered as the fearsome manifestation of Shiva who is to be feared.
The Rudhrashtakam was composed by the great saint Goswami Tulsidas. This eightfold hymn of praise was sung to please Shankara. Shambhu will be pleased with whomever heartfully recites it.