If you are assembling your digital collection, prioritize the latest update (v1.12+), ensure you have both Ancient Gods NSP files, and always install to internal storage for the best DLC performance. Now, go forth, Slayer. Rip and tear, until it is done.
Audio desynchronization issues in cutscenes and progression-blocking glitches in later levels (like Nekravol) were systematically patched out. Expanding the Hellscape: The Ancient Gods DLC Doom Eternal Switch NSP UPDATE DLC