The Earth is a planet that was once considered of little value in the grand scheme of things. But the fallout from the war left many wondering why Rita was so determined to conquer the planet, and why Zordon considered it so important that he established a permanent presence there. Suddenly a prize for any villain seeking to prove their superiority, and a liability by those seeking to prevent the dark forces from gaining a vital foothold in a cosmic power play that stretches back billions of years, the stakes have never been higher. As the opposing sides gather their forces, the Earth and its population risk becoming an unfortunate loss.
But how much has the planet already been through and how did the Rangers deal with the likes of Rita and Zedd?
These stories are a part of Conquest of Evil taking place between the start of Rita's imprisonment 10,000 years ago and the end of Zeo. These are events that took place in the background to the main story give and idea of what was going on at key moments.
The Wicked Witch
Born to the Queen of Magitopia amidst great celebration, the destiny of Rita Repulsa would be determined by a bitter battle for custody between the noble ruler and her former husband: now known as Master Vile. Raised in the ways of evil by her father and his new wife, Rita would leave the tedium of the M-51 Galaxy and seek to conquer her own domain.
In a campaign that led to the conquest and destruction of countless worlds, Rita was drawn to the service of Lord Zedd and thrown into conflict with her greatest enemy: Zordon. After centuries of war, her forces were defeated and Rita was imprisoned. Many felt that would be the end of her tale. They were wrong!
Ten thousand years later, while exploring a rogue planetoid, a team of astronauts accidentally stumble upon her prison and release her in a moment of greed... release her. Free once more, Rita decides to deliver a special thank you to the planet that unleashed her upon the cosmos once more... Rita vows to conquer it and settle a few old scores in the process.
And to combat such a threat, the now disembodied Zordon assembled a team of superheroes to protect their world...
Rangers of Justice
There are other villains in the world besides Rita Repulsa. There are also other heroes, fighters against the forces of darkness who have operated long before the Power Rangers. And now, they meet.

The Perils of Grayskull
On the planet Eternia, Prince Adam and Teela have recovered the broken Sword of Power and restored magic to the planet, unaware that doing so would bring about the return of Skeletor. And in the aftermath a desperate sends Teela and Adam to a place of safety: Earth.
Far from Eternia the planet Earth is about find itself facing a new villain with powers they have rarely encountered before. Can they overcome such a threat, will this villain succeed where so many have failed before, or will the Earth's magic claim another victim?