Adira led them to the engines. The room was fairly large, focused around a mass of metal and glowing pieces that Merlin assumed was the engine. He didn't know much about technology, but he had picked up bits and pieces throughout their travels. Enough to know that the engine (for it was the engine) was badly damaged.

Bits of metal were twisted, wires cut, and the lights flickered pathetically. That didn't stop a huge smile spreading across the Doctor's face. "Oh, beautiful!" He marveled, walking forward. Rose smiled fondly. The Doctor whipped out his glasses, peering at the machine.

"It runs partially on the same energy that you have, Merlin" He grinned excitedly. "Magic, for simplicity's sake." Well, that explained the floating golden lights and hovering pieces. The whole thing looked almost organic in construction. The Doctor could almost picture it in it's former glory.

Gracefully twisting pieces of metal, carved with elegant script, held together by magic embedded in the material. Luarlein used materials that were naturally receptive to magic. It shone like liquid metal, reflecting the shimmering lights like stars against calm ocean waters. Absolutely beautiful, the materials were unique to planets where magic was common practice, and were abundant in Luarlein and it's neighbors.

There was some on earth, but it was scarce. Gemstones were more commonly used for capturing energy, and occasionally silver. They worked almost like batteries, but building the entire structure from such materials allowed for more power and efficiency.

The elegant, swirling script was used for channeling energy as well. The TARDIS could translate it, but usually left it be unless you were actively trying to read it. Writings like the ones on the engine would be everywhere on a ship such as this one, both on the ship itself and with it's people. It was common practice to embroider the words and phrases into cloth and carve it into wood or stone.

Other gadgets of similar construction were scattered around the circular room, wired into the core of the ship. Luarlein's prided themselves on their craftsmanship, so much magic went into everything they made they seemed to take on lives of their own. They weren't sentient by any means, but they were certainly remarkable.

The Doctor could help with the physical damage, but the magical…

"Adira, how good are you at magic?" The Doctor looked at the woman standing a short distance back. Adira sighed.

"Very. But I'm afraid I can't do much. That engine was built by a team of highly trained magic users, we would need at least four to fix this, maybe more depending on what Keeter did." Adira replied, frustrated.

The Doctor looked over to her. "Surely you have four magic users left?" Adira growled.

"Yes. But it's more complicated than that." Her tail lashed. She crouched beside him. "See this?" She tapped a symbol carved crudely into the dark metal. All the other symbols were carved delicately, with an expert hand. This mark was roughly scratched into the shimmering metal, large and imperfect. "It won't let us. Keeter did his job well. He always did have a talent for things like this." She sighed mournfully.

"What does it do?" The Doctor asked.

"That's the problem. We don't know." The Doctor frowned.

"Remove it."

"I can't. See here?" She traced the lower right section of the complex symbol. "This locks the magic. Ordinarily a skilled sorcerer would be able to remove it, but this part," she pointed to another section, "destabilizes it. If we could break down the rest and unravel it, then we would be fine. But one misstep and who knows what will happen." She replied. A hint of her desperation leaked into her voice as she ran a calloused hand through her shimmering hair.

Merlin slipped up behind the two adults, studying the image curiously. Something tugged at him, nagging at the back of his mind. An image flickered behind his eyelids. He was helping his mother untangle some yarn. He had been struggling with it for a long time, trying to untangle it without damaging it. Will had come in, looking for him. He had laughed at Merlin's frustration, taking the knot from him. After a moment of careful study, he tugged a few strings and the knot fell away easily.

Merlin closed his eyes, allowing instinct to take over. His magic carefully reached out, investigating the tangled web of power Keeter had set up. He had woven the magic into a tapestry, pulling the separate threads into an image. Merlin was looking for the week spot in that image, where he had tied off the proverbial string.

He carefully, carefully searched, well aware that an any error would collapse the delicate structure, and not in the way they wanted. There! Where three of the runes all met the one that created the instability. Even for Merlin, who knew next to nothing about magic, appreciated the craftsmanship. He carefully latched on to the weak spots and pulled.

The magic didn't want to let go. It clung on with everything it had, twining itself tighter, but Merlin wasn't going to give in so easily. He gritted his teeth and pulled. With a almighty wrench, the magic came free, unraveling and snapping back into alignment with the rest of the ship.

The shock wave sent Merlin stumbling back, dizzy with the effort it had taken. He fell to the ground, distantly aware of Rose's exclamation as she lunged to catch him. Merlin watched as the rune glowed before the metal melted, filling in the symbol as though it had never been there.