Slade had to leave the city. At least temporarily. Taking Robin from the Titans was easy enough, but taking this girl left Robin to lead the search effort. With Robin's detective skills, he would have to leave the city entirely else he would eventually be found. In moments like this he almost doubted his decision to take the girl instead. They had went to the local airport, where the private aircraft are kept. Slade did own mundane technologies. He used them when he wished to escape notice. With so many planes flown daily, tracking down one unscheduled flight was impossible to track. With a simple hack he entered his flight into the database and was cleared to take off soon after. All the while the alien girl sat beside him without making a sound. Clearly nervous and scared, she was playing the brave little soldier. Slade almost smiled.
Slade had set up small bases in remote areas both in and out of the United States. He had converted this small base for training this girl, it had been set up to test his prototype robot fighters, so it was simple to change it for testing this alien, his new apprentice.
Slade landed on the small field and pulled the plane into the building that would hide it from detection. He got out telling his apprentice to also exit the vehicle. He had already set up his first test for her. Before you can train someone, you must know their limits.
As Starfire got out of the plane and lightly set herself beside Slade. He had stood beside a row of bars leaning against the wall. He picked up the one on the far left and presented it to her. It was aluminum. "bend this" he said. She took the bar from him and while still looking at him, she bent it as if it was a toy and dropped it on the ground. He picked up the iron bar held it to her and bent it. Next was the steel bar. The bar glowed red at the seam where she bent it, but it yielded to her strength. Finally he handed her the last bar. The reinforced titanium bar. It was not here for her to bend, but to show her that she had limits. She was not supposed to be able to bend it, but the metal screamed and sparks flew as she applied her strength. She sweat just a little as the metal shredded and glowed at the bending point and when it was bent as far as the other bars had been, she set it down. Slade's eye opened just a little wider than it normally was as he observed this. He showed her a small room with a cot and sleeping bag and ordered her to rest. It was getting late after all, and he had a lot of work to do changing all the training equipment before the morning.
The next few weeks flew by for the Titans. When not battling villains they intensified their search for Starfire. Starfire spent the time training nonstop. At first Slade forbid her from flying or using her starbolts, then after she became proficient enough, he allowed he to use her other abilities, training her on accuracy, concentration and even aerial combat. Then he started training her on using her talents together. She learned with a quickness that startled Slade, but he wanted to see her limits.
Slade was watching her take on another squad of robots. He wore a headset with a microphone, which she communicated with Starfire, usually to critisize her and comment on her technique. She flew into the squad, downing 4 of them with a burst of starbolts while dodging their firepower. The most armored one she could not effect with her energy. She landed near and it swung it's weapon toward her, she grabbed the barrel of the gun and gripped it with her hand while channeling her starbolt energy into it, essentially hitting it point blank with her energy, and it melted. She then ducked under its backhand and flew up the few feet to punch it in the chestplate, shattering the plate and sending it flying away from her. She immediately opened up her hands throwing starbolts into it's now shattered chest armor. It exploded, still flying away from her initial punch. It was scrap before it hit the ground.
While she flew to confront more training robots and a tank, Slade half watched her while talking on his cell phone. He was making arrangements that would prove to put his apprentice to a real test when they arrived back home. While talking, he saw Starfire get hit by the tank's main cannon with a random shot and she went down hard. He actually stopped talking and got ready to run out on the field when she got up, firing her eye beams at the tank while launching herself off the ground. He yelled some obscenities at her while telling her how she should have been paying attention to the most dangerous threat. Once he saw she was unharmed, even by his best tank, he smiled and calmed down and once again started talking into his phone again. Her inattention, which caused her to be hit also cause her stay at the training field to be extended.
Once Slade felt she was ready, he told her that they were preparing to leave the training field. She made almost no reaction to this statement. He could see her attitude toward him had not changed noticeably. She still seemed nervous around him and wary. Her sense of duty kept her showing any emotion. Even when Slade seemed out of character by telling her that her technique and fighting ability had greatly improved, she only had emotion flicker across her face for a second, before she remembered who had said it, and for what purpose he was probably training her. And with no ceremony, Slade flew them back to the city.