"The Secret of the Sword Part 4: Reunions " Together, they foil Hordak's attack on the Whispering Woods, and She-Ra inadvertently transforms Spirit into Swift Wind, a flying unicorn. Under the Sorceress' instructions, Adora exclaims "For the Honor of Grayskull!" and transforms herself into She-Ra, freeing He-Man from the Magna Beam's charger. The Sorceress contacts Adora through the Sword of Protection and reveals that Hordak kidnapped her when she was a baby, and that He-Man is really her brother. Adora alerts the guards and allows him to be apprehended, although is left unsure by her actions. He-Man approaches Adora, unaware that she has been brainwashed again by Shadow Weaver's magic. In order to see Adora again, Adam transforms into He-Man and travels to the Fight Zone, unaware that Shadow Weaver and Hordak have spied on him doing so. Hordak creates a new weapon dubbed the Magna Beam Transporter, and plots to use it to teleport the Whispering Woods and the Rebellion into the inescapable Valley of the Lost-however, it must be first powered by the will of captured Rebels.
"The Secret of the Sword Part 3: She-Ra Unchained " Returning to the Fright Zone, she confronts Hordak and Shadow Weaver about deceiving her, but Shaodow Weaver knocks her unconscious with another spell, planning to examine the Sword she has been carrying. Meanwhile, Adora ventures into Etheria on her horse, Spirit, and witnesses the many atrocities committed by the Horde. With help from Kowl, He-Man escapes his restraints and frees the Rebels, destroying the entire prison in the process. Bow, Glimmer, Kowl, Battle Cat, and Madame Razz launch a rescue mission to Beast Island, infiltrating the prison and outwitting the traps of the prison warden, Grizzlor, but are ultimately captured by Hordak. Adora claims that the Horde has brought peace to Etheria, and He-Man implores her to find out the truth. There, he meets Adora again, still wielding the Sword of Protection. He-Man is taken to the Horde prison on Beast Island, where Hordak intends to find out why he has come to Etheria. "The Secret of the Sword Part 2: Beast Island " Note: This episode features a different opening sequence due to the fact that She-Ra's identity is still unknown at this point in the storyline. He-Man is then shot from behind with a freeze-beam, and Adora claims the Sword in victory. During the fight, He-Man defeats Adora, only to realize that she is the one who will wield the Sword of Protection. The Rebellion chooses to fight back against the Horde, with Adam and Cringer changing into their alter-egos He-Man and Battle Cat to turn the tides of battle.
To force the Rebels into surrendering, Hordak decides to capture Thaymor sending his favorite Force Commander, Adora, to do the job. In the Fright Zone, Hordak is informed about a presence from another world by Shadow Weaver, and of the fight in Thaymor. Bow and Kowl take Adam and Cringer to the Rebels' stronghold in the Whispering Woods, introducing them to their leader, Princess Glimmer. In the village of Thaymor, the Eternians end up in a fight with a group of Horde Troopers-robotic enforcers of the Evil Horde who rule the planet-and are assisted by Bow and Kowl, members of the Great Rebellion. Adam and Cringer are sent through a newly opened portal and asked to find the person who shall wield the Sword of Protection once they enter the portal, they find themselves on the world of Etheria in another dimension. Once she awakens, she finds the Sword of Protection-a weapon nearly identical to He-Man's Sword of Power-before her, and summons Prince Adam and Cringer to the castle. In Castle Grayskull, the Sorceress has a nightmare about a baby being kidnapped and taken to another world. "The Secret of the Sword Part 1: Into Etheria "