Rime

She was revealed to have been responsible for creating the very concept of changing seasons.^[5][2] This being had either caused or ended an ice age that threatened to consume all of existence — or perhaps even both. In the visions Sunny witnessed, the Demon of Repose appeared intertwined with the history of the Heart Realm, particularly in relation to the World Tree and the Sacred Forest. After the long and dreadful ice age, it was with the help of the Demon of Repose that the World Tree and the Sacred Forest were able to find a state of balance, although they eventually burned in the end.^[2]

The fragmented descriptions of the [Memory of Ice] and the [Memory of Fire] also seemed connected to this tale, suggesting that the calamities of unending winter and consuming flame were part of the larger story tied to the Sacred Forest and its inhabitants, with the Demon of Repose playing a central role in shaping those ancient events.^[2]

The Demon of Repose is able to utilize a form of sorcery involving Nothing. Daemons commonly adopted useful ideas, and the Demon of Repose is said to have emulated a method by incorporating Nothing into her workings. The creation of the Eternal City and the design of the Palace is attributed to the Demon of Repose. The Palace is a structure built to channel powerful sorcery, and the Eternal City itself is stated to have been constructed around it.^[6]