Doom Eternal Message Board  

in Ancient Gods Part 2 The Dark Lord might be one of the hardest bosses in video game it can heal itself. If you’re not playing carefully, this boss can literally last an eternity. Plenty of players are reporting battles that last over an hour. The Dark Lord can just keep healing, and even a small amount of damage can restore him to full health. It only takes 4~ bad hits to lose all your hard-fought progress.
there is no trainer option for this madness.😭

its more learn mechanics. trainer works fine on him. just use the mini gun, wait for green flash and stun him. use the hammer to stun (infinite hammer works well here) then use the minigun turret to take 50% of health in 1 stun cycle with no overheat/ammo or reload options.

cheats make it easier but he not a bad fight anyway

I found constantly firing the BFG near him slowly drains his health in between his attack opening animation. It does take a bit and have to do it multiple times.