It is also a part of artwork and reliefs such as those at the Vijayanagara ruins. Apart from Ramayana and Mahabharata, Hanuman is mentioned in several other texts. Some of these stories add to his adventures mentioned in the earlier epics, while others tell alternative stories of his life. The "Skanda Purana" mentions Hanuman in Rameswaram. In a South Indian version of "Shiva Purana", Hanuman is described as the son of Shiva and Mohini (the female avatar of Vishnu), or alternatively his mythology has been linked to or merged with the origin of Swami Ayyappa who is popular in parts of South India. The 16th-century Indian poet Tulsidas wrote "Hanuman Chalisa", a devotional song dedicated to Hanuman. He claimed to have visions where he met face to face with Hanuman. Based on these meetings, he wrote "Ramcharitmanas", an Awadhi language version of Ramayana. Hanuman Chalisa is considered to be the biggest mantra to please Hanuman ji and get his blessings. Whoever worships Hanuman ji with true heart and recites Hanuman Chalisa. Hanuman ji's grace is always on him. According to Hindu belief, Hanuman Chalisa is a very powerful mantra to get the blessing of Hanuman. Many people recite Hanuman Chalisa regularly. According to belief, chanting of Hanuman Chalisa is said to protect Hanuman devotees from devil and all problems. It is believed that Hanuman Chalisa has the power to destroy fear. According to popular belief reciting of daily is beneficial. The relation between Hanuman and Goddess Kali finds mention in the Krittivasi Ramayana. Their meeting takes place in the Yuddha Kanda of Ramayana in the legend of Mahiravana. Mahiravana was a trusted friend/brother of Ravana. After his son, Meghanatha was killed, Ravana sought Mahiravana, the King of Patalaloka's help to kill Rama and Lakshmana. One night, Mahiravana, using his maya, took Vibhishana's form and entered Rama's camp. There he cast the nidra mantra on the Vanar Sena, kidnapped Rama and Lakshmana and took them to Patala Loka. He was an adherent devotee of Devi and Ravana convinced him to sacrificing the valiant fighters of Ayodhya to the goddess to which, Mahiravana agreed.