Doom is one of the best positions 3 in the game. Even if
Doom starts with 0 armor, his standard build should be utility/tank.
Scorched Earth helps a lot in this way, and by building a
Mekansm and then a
Shiva's Guard it turns Lucifer into a great utility who can outrun most of enemy heroes thanks to
Scorched Earth and
Shiva's Guard.
Assault Cuirass is usually the next step into the collection of Auras. His ultimate
Doom has very few to be explained, since it's the most famous hard disable of the game. Use it on the hard carry or a key teamfight hero (
Enigma,
Tidehunter,
Magnus,
Faceless Void, etc). Eat the big jungle wolf to gain a +30% atk Aura and a passive crit for yourself, then remeber to eat only creeps with no skills to avoid an override.
LVL? Death is extremely strong, as it's a high damaging nuke that scales into the late game. It does regular damage (125/175/225/275) + 20% of the enemies max HP as damage if they're a level multiplier
Abaddon when I am not playing a
support role.