The primary antagonists are the Highbreed , a race of "pure" aliens seeking to cleanse the universe, and their genetically altered servants, the DNAliens . The New Team
A former villain who now absorbs solid matter (like stone or steel) rather than energy. He joins the team to redeem his past. Key Series Features Ben Ten Alien Force Gwen - sciphilconf.berkeley.edu
The series begins with a more mature, 15-year-old Ben who has spent years living a normal life without the Omnitrix.
When Grandpa Max goes missing while investigating a secret alien invasion, Ben must reunite with his cousin Gwen and their former enemy Kevin Levin to find him.