There's a new beta patch for Hellgate: London which fixes gobs and gobs of bugs, nerfs some classes, tweaks some items, unbreaks some quests, and does this to the monsters:

• Monsters with the Infested ability have had their damage reduced.
• The Beast of Abbadon, Oculis, and Sydonai will now re-spawn normally, even if the player has previously completed their associated quests.
• Fixed a bug which would sometimes prevent Oculis or the Furuncle from spawning properly.
• Stalkers and Burning Fiends are now part of the Beast caste and Tortured Souls are now part of the Spectral caste. This applies to all types of Stalkers, Burning Fiends, and Tortured Souls.
• Fixed some cases where monsters would get stuck in the ground.
• Wurm no longer spawns maggots when it dies.
• Maggots summoned by Wurm will now automatically die upon Wurm’s death.
• Fixed a bug which allowed the Wurm encounter to be exploited.
• The Lightning now looks like a giant robot as intended.

So, what did The Lightning look like before this?

Spotted at: Blue's News