Part of Doom · Doom: Unto the Evil, Doom: Bloodfall
Hell Followed is the second DLC for Doom (2016). It includes three new multiplayer maps called Argent Breach, Molten and Orbital, a playable version of the Cacodemon, a new weapon called the Reaper, and a new equipment item called the Threat Pulse. A 'Cyberdemonic' armor set is also included, as well as additional taunts and hack modules.
Time data isn't available for this game yet.
Check HowLongToBeat directly.