PzTron

PzTron is a robot/monster created by the Dark Lord and was piloted by Goldar (Clone).

When the Dark Lord had enough of the Ninja Fighters ruining his plans, he created PzTron and said that the robot is invincible that if the Fighters managed to past the 1st phase, a second phase will await them.

When the Ninja Fighters tried use the Thunder Megazord against the robot, the Megazord was destroyed and the Ninja Fighters were forced to retreat and after telling Victor this, he thinks the Legendary Keys will help as it has various zords to put the odds in their favor.

They manage to destroy the robot with the help of the Q-Rex Megazord and the SPD Megazord, the Dark Lord swears revenge against the Fighters while Victor believes the keys will help the near future.

Trivia

 * PzTron is similar to Cyclopsis
 * As both are piloted by Goldar and both have a second phase.