Defeat Doom 3's Bosses

Having trouble defeating the bosses in Doom 3? Read this to win.

Steps

Vagary (Spider Boss)

  • She has to be killed from long range, as you can't get close enough to use the shotgun
  1. When you enter the battle, start throwing grenades until you are out.
  2. Then, take out your chain gun and finish her off.
  3. Another way to kill her is to use the plasma gun which CAN be found in that level.
  • Be careful to avoid being hit by the things she throws at you.

Guardian

  1. The Guardian is NOT blind as many people think, he uses the Seekers to find the Soul Cube. Kill the Seekers first so he has to project his vulnerable soul and create more.
  2. Quickly strafe around the large walls, while aiming for the flying seekers. Shoot those first before they have a chance to see you.
  3. While he is making more, he will project his soul above him to create the Seekers. Quickly pull out your rocket launcher and shoot the glowing avatar on his back. If it is red, it means he is being hurt. If you found the BFG earlier in the level, charge up a BFG shot (hold down fire) and release it.
  4. If he is able to make more seekers before you kill him, kill those immediately.
  5. It seems in Hell, you can sprint for as long as you want. Sprint around to dodge the Guardian's attacks if the Seekers spot you.
  6. This boss is a very strong boss and has many strategies in defeating you. You will have to use your knowledge and common sense to defeat this maniacal personagem.

Sabaoth (Sergeant Kelly)

  1. Use the pillars as cover and unload rocket fire at him.
  2. Don't touch the pillars, unless you happen to like electrical shocks. Watch for the flame pits, too
  3. Run and strafe constantly to avoid being hit by his BFG.
  4. If you have the nerve, shoot constantly at the Sabaoth's upper body, and when he fires his BFG, keep shooting, but aim for the BFG shot instead. If you're are fast enough, the BFG shot will explode in the Sabaoth's face, causing major damage. Do this three or four times, and the Sabaoth should drop.

Cyberdemon

  1. You got the soul cube earlier on in the game. It is filled up by killing other demons who souls go into the cube.
  2. When you first begin the fight, do not use the soul cube. You have to use a different weapon to kill normal demons in order to fill up the soul cube. To do this simply strafe around the edge of the hole and kill demons as the come up. Be careful not to let them overwhelm you.
  3. It takes five kills to fill up the soul cube
  4. Once the soul cube is full, "aim" it at the Cyberdemon (you want to hit him, not waste it on a useless target like some imp running around)
  5. To kill the Cyberdemon, you must simply hit him 4 times with the Soul Cube.
  6. Sit back and watch the end cut scene. You just beat the game!



Tips

  • Try to go into battle with full/nearly full ammo & health.
  • Remember to sprint when needed.
  • Save often.
  • Don't get to frustrated if you die a lot.

Warnings

  • On Sgt Kelly and Cyberdemon: do not strafe off the edge. If you do, you die and have to re-start the battle.

Things You'll Need

  • Doom 3
  • A computer, Xbox or Xbox 360
  • If you have an Xbox 360, you will need a hard drive to play original Xbox games

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