Mayon, residing with Isvaran (another name for Shiva) in Kailayam, escaped to undertake tavam (tapas, meaning "austerity") to receive permission from Isvaran to destroy Kroni.
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When it became unbearable, the Thevarkal (celestial beings) complained to Isvaran, who in turn, commissioned Mayon to carry out the destruction of the wicked rulers, which he later did.