Most of the Transformers here are G1 design, but there are a few Bayverse transformers as well. I will let you know which ones are Bayverse when they appear.
The planet was in chaos. Explosions could be seen left and right and fighter craft streaked across the sky. Down on the ground, Autobots and human resistance soldiers were pinned as a massive wave of Decepticons approached them.
"They've broken through the front lines!" Ratchet cried.
"I've lost contact with the capitol!" The human queen shouted.
"There's too many of them!" Wheeljack shouted as an explosion narrowly missed him.
"Incoming!" another Autobot soldier yelled as an Insecticon landed on top of him. The soldier held the bug's pincers back, but it was beginning to overpower him.
Suddenly, an energon axe buried itself in the bug's head, and it fell to the ground just as Optimus Prime vaulted over the soldier, front flipping to grab his axe, and then diving into the front lines and blasting away multiple Decepticon soldiers.
"Where's our backup?" the queen shouted to Prime.
"On its way, just hang on!" Prime responded as he continued firing into the enemy army.
On another part of the planet, a gold and white Cybertronian fighter streaked through the sky, unloading bullets and missiles at a Decepticon turret. The cockpit then opened and a young woman with light brown skin and dark hair jumped out, unsheathing her sword as she did.
"For the honor of Grayskull!" she shouted as she turned into She-Ra. She then brought her sword down on the barrel of a second turret, cutting it clean off and causing the weapon to explode as She-Ra fell right back into the cockpit of the jet.
"Nice one!" said a voice from the jet.
"You're not too bad yourself, Celestis." She-Ra replied.
After a few more minutes, the jet arrived at the scene of the main fight. She-Ra jumped out of the jet as it transformed into the Autobot, Celestis Prime. Celestis resembled a knight, using the wings as a double-bladed sword to cut through a few Decepticon warriors while She-Ra impaled another through the face.
"Sorry we're late" Celestis told Optimus, "Air traffic was murder."
Suddenly, another explosion erupted in front of the Autobots, sending She-Ra, Celestis, and a few other Autobots and humans flying back. As they quickly recovered, they looked to see multiple new Decepticons, led by Soundwave appear in front of the approaching army.
"Decepticons, ATTACK!" Soundwave ordered as the Cons began to push forward.
"Autobots, fall back!" Prime shouted, realizing the danger was too great, "Get to the launch tower!"
Starscream watched them retreat and laughed: "Look, they fall back like the cowards they are."
"Let's make sure they never leave this planet" Shockwave suggested.
"Seekers, with me!" Starscream ordered as he and three other Seekers transformed and flew off towards the tower.
Meanwhile, the Autobots and humans finally made it the top of the same tower and were now running for the escape pods.
"Prime, this is our home!" the queen pleaded, "We can't give up now!"
Optimus got a sorrowful look in his eyes: "I'm sorry, but this world is too far gone. Megatron has sucked its resources dry. I'm sorry you had to get involved in this conflict. However, I know of a place where you and your people just might be safe."
"Where?"
Prime brought up a hologram of a planet: "It's called Etheria. It's located in a distant part of the universe, so it is unlikely the Decepticons will find it quickly. I will send you and your people there so you may live in peace, at least for a time."
"What about you?"
"I will attempt to reach out to other Autobots hidden among the stars. However, I leave She-Ra with you; the people still need a symbol of hope.
"If I may" Celestis interceded, having overheard, "I can take my squad with them to this world. There, we will keep a watchful eye on the people as well as She-Ra."
"You would protect She-Ra?" the queen asked.
"She bears a fragment of the power of the Matrix," Celestis responded, "That'll make her a huge target for the Con's."
Optimus nodded: "Very well. Do what you must, and make sure they're safe."
Celestis saluted Optimus, then ran to the human transport, calling his guardian team with him. Once everyone was in the transport, it began to take off with all possible speed, just as the Seekers arrived at the tower, unloading their missiles onto it.
Prime looked up and began firing on the airborne Decepticons. The humans in the transport, along with She-Ra, looked on as Optimus held off the Seekers on his own.
"I need to be down there!" She-Ra demanded, "I have to help him!"
"He'll be fine!" Celestis said, "Our priority is to get these people out of here, and Prime's giving us our window!"
Another Autobot, this one a light blue and white with a dragon's head on his chest shouted: "Now or never. Techno, punch it!"
Suddenly, the ship rocked forward as the transport shot off from the planet, the coordinates for the new planet in the nav computer, and the fate of the people onboard all but uncertain…