Yes, as the guardian angel explains, once it takes a host (Commandant Steele) it becomes mortal and can be killed. The treasure hunters kill it, ending its threat.
borderlands ends by you killing the destroyer and not getting into the vault. the armory ends by you killing general knoxx and blowing up the armory
Be more conservative next time, wait for the destroyer to produce the tentacles with the glowing purple segments, destroy these as they can drop health and ammo like regular enemies.
shoot the purple liquid filled blobs on its tentacles with a sniper or scoped shotgun (the shotgun works better)
The last boss of the main game (not including optional missions or DLC) is The Warrior, a giant alien beast. Terramorphous is a raid superboss that you can only access after beating the Warrior but he's optional.
Borderlands traditions tend to be mixed. Please specify WHICH borderlands you are referring to.
the creator of borderlands is Gearbox
Borderlands 2 is out now.
borderlands
Well, "a" destroyer is a type of warship. "the" destroyer usually indicates a synonym for Satan. He is called the betrayer and the destroyer sometimes.
Tom pickrell is the destroyer
Destroyer Magazine ended in 2010.
Borderlands 2 was released on September 18th, 2012.