The final battle between Angels and Demons already has a release date, announced in the Hazbin Hotel Season one Trailer.
Hazbin Hotel: Exclusive Look at Prime Video's 'Disney Princess in Hell' Adult Animation Series - IGN
Hazbin Hotel: Charlie Morningstar / Sandbox - TV Tropes
Heaven (2002) - News - IMDb
Vivienne Medrano - News - IMDb
Some thoughts about Charlie's flawed view of redemption : r/HazbinHotel
Vivienne Medrano - News - IMDb
Streaming Archives
Prepare to Check in to Hazbin Hotel Next Summer with Long-Awaited Adult Animated Series - Bloody Disgusting
Heaven (2002) - News - IMDb
Hazbin Hotel: Charlie Morningstar / Sandbox - TV Tropes
Review – Helluva Boss (Season 1) - Geeks Under Grace