Toxic Sludge

The Toxic Sludge is a Hardmode slime enemy that appears in the Underground layer in place of normal slime enemies. They deal a vastly increased damage from normal slimes, and they also have a 50% chance on hit to afflict the player with Poison. They drop gel like the other slimes.

Trivia

 * Toxic Sludge and Pinky are the only two members of the Slime family not to have the word "slime" in their name.


 * Toxic Sludge is the only slime that looks different from others excluding size and color.


 * Toxic Sludge resembles Grimer from Pokemon, because of the shape and smile. It is unknown if the resemblance is intentional.


 * Toxic Sludge may be a reference to the main character in the Toxic Sludge flash game by Nitrome. if you look closely you can see a biosuit helmet.