The Teen Titans are some of DC's toughest heroes, and their villains are equally powerful ... It's only by taking her on all at once and cryogenically freezing her that the Titans can finally ...
A major theme of the 2003 Teen Titans ... first villains, would rather spend the rest of his life in a medically induced coma, as consciousness is what turns him into a plasma dripping monster.
It remains to be seen if these characters will continue to play a role in the show moving forward, or if Titans will continue to focus on the core Teen Titans ... her suit all of the sudden.