Thanks to Steel!

As the enigmatic archenemy of the Titans, Slade sends his underlings and robots to do his bidding and perform his various unsavory tasks. Not much is known about him other than that he is a very dangerous, highly resourceful individual. He has known connections to the Hive Academy, Cinderblock, Plasmus, Red X, Thunder, and Lightning (among many others). Cunning and intelligent, Slade is probably the greatest menace that the Teen Titans have ever faced. He understands the importance of careful planning and delicacy in achieving his goals, a character trait that is highlighted by the fact that he is rarely ever directly involved in any of his underhanded dealings.Slade watches the Titans extremely closely, and could have easily dispatched them at any time. Instead, he slowly manipulated and challenged the Titans in a scheme that ended with Robin in Slade's hands ready to do his every bidding. By tricking Robin into finding his hideout, Slade managed to control Robin by threatening to kill the rest of the Titans if Robin didn't follow Slade's every order to the letter. Slade noted the similarities between Robin and himself, and deemed Robin to be his apprentice. Luckily, the Titans managed to foil Slade's plot and save Robin. However, Slade managed to escape relatively un-singed and the Titans have no idea as to what his next plans are.In his last fight with the Titans, Slade was thrown into a pit of boiling lava. It is unknown if he survived, but knowing his training, it's very likely that Slade survived