Matsyapurana 129.27

129.27

varadānādvirejuste tapasā ca mahābalāḥ
sa mayastu mahābuddhir dānavo vṛṣasattamaḥ //

The Lord disappeared from the spot as vanishes the wealth obtained in dreams Having obtained the boon, those powerful Daityas, then healthy and shining like Sun, began to look more brilliant with their power of asceticism — 26 27

The highly intelligent and powerful Maya then began to prepare plans for building the Tripura fort — 28