Fenrir had left the apartment to get more food. It was half shopping (as Hel gave him money to buy things sometimes) and half shoplifting, but regardless, he returned home with several shopping bags of food. He paused at the foot of the stairs leading to Hel's floor, sniffing the air.
Angrboda.
He tilted his head, gripped the bags of food a little tighter, and ascended the stairs.
"Mother," he said, pushing open the door to Hel's apartment with his hip.