Shadow Zord

The Shadow Zord, also known as the Fortress Zord or Nightmare Zord, is a single Zord/Megazord under the control of Umbra and is powerful enough to destroy Angel Grove on its own which is why Umbra has given the Rangers a chance to defeat it without casualties by fighting outside the City.

Design
The Shadow Zord has two forms with both being more powerful than any monster the Rangers may face, one is a Behemoth while the other is a Humanoid Form, it two forms are: