Skandapurana 5.205.50

5.205.50

gayāyāṃ prasthitaḥ so'pi śrāddhārthaṃ tatra vāsare ..
viśvedevāḥ pratijñāya gayāyāṃ prasthitā vidhim .. 6.206.50 ..

set out also for Gayā on that day for the sake of a śrāddha. / Having made a pledge for Gayā, the Viśvedevas set out for the rite [there];