Devibhagavatapurana 10.12.41

10.12.41

prasīda devadeveśi prasīda karuṇānidhe |
niśumbhaśumbhasambhūtabhayāpārāmbuvāridhe ||

O Thou, full of mercy! O Deva Deves’î! Be gracious unto us. O Thou, the Remover of the sufferings of the refugees! We now come unto Thy protection. The terror of S’umbha and Nis'umbha is like an endless ocean unto us. Save, save us from their fast clutches. O Devî! save us O King! verily.” When the Devas praised thus, the daughter of the Himâlayâs, Bhagavatî became pleased and asked “What is the matter?” In the meanwhile, there emitted from the physical sheath of the Devî another Devî Kaus'ikî who gladly spoke to the Devas:-- “O Suras! I am pleased with Thy Stotra. Now ask the boon that you desire.” The Devas then asked for the following boon:-- “O Devî! The two famous Daityas S’umbha and Nis'umbha have attacked forcibly the three worlds. The wicked Lord of the Dânavas, S’umbha, has overcome us by the power of his arm and is now tormenting us without any break. Kindly devise some means to kill him.” The Devî said:-- “O Devas! Be patient. I will kill these two Daityas, S’umbha and Nis'umbha and thus remove the thorn on your way. At an early date I will do good to you.” Thus saying to Indra and the other Devas the merciful Devî disappeared at once before their eyes. The Deva with their hearts delighted went to the beautiful Sumeru Mountain and dwelt there in the caves thereof.
Here the servants of S’umbha and Nis'umbha Chanda and Munda, while they were making their circuits, saw the exquisitely beautiful Devî, the Enchantress of the world, and came back to S’umbha their King and said:--