Master Mold can be seen working in the background.

However, if the Sentinel loses, Master Mold gets destroyed as well.

Master Mold had concluded that mutants were humans, and therefore, humans must be protected from themselves.

Master Mold also serves an important role during the first season.

Master Mold and all Sentinels are believed to be destroyed at this point, but they resurface in season four.

He was later seen sacrificing himself to destroy Master Mold.

Several groups of the robots have been created or led by a single, massive Sentinel, called Master Mold.

In the season finale, Master Mold took on a physical form resembling Danger.

She is killed after solidifying inside the Master Mold's head destroying it in the process.

He and Trask are seen a few more times, typically on the run from Master Mold.