Matsya Purana 180.63

180.63

samvarto bhavitā yaśca so'pi bhaktyā mamaiva tu.
ihaivārādhya māṃ devi! siddhiṃ yāsyatyanuttamām .. 180.63 ..

Here I grant excellent enjoyments and powers union with Me and my devotees the place that they desire Kuvera the Lord of the Yakṣas, has become like My attendant by dedicating all his deeds to me And dear! the devotee Samvartana will also attain in future the highest siddhi here, by adoring Me with devotion—61 63