As the day went on the students showed their prowess. They where fit, how else would they get into the top school? After a long day of exercise was done, the students would be visibly exhausted. Xavier smiled as he looked at what he had written down for them all. They showed much progress and he was beginning to think this would be a particularly competent class. As they all lined up, done pushing themselves to the max he nodded. "Good! good! I'll be setting a physical regime for us along with your normal curricular in the future" He spoke happily as he looked at his clipboard. 
"Now then! I have one last thing to say before class ends!" He began, and at this moment he began to become a bit giddy.
"In the room, on all of your seats should be a small paper. Write any sort of request or design elements! These will be made to help you use your quirks better and battle more effectively so be precise! Oh I just can't wait to see how heroic you'll all look" he spoke openly, his jolly genuinely jolly and full of glee. His costume, to those who knew his heroic talents, was so dark and spooky, as it was from is old villain days. Perhaps he was living through them by proxy? Either way he appeared characteristically warm to them at this moment, and his body shown and grew to glow with a white aura, his hair going gold and his skin pink only momentarily before he cleared his throat.
"We'll meet again tomorrow for the next big test for you all!, this time in customized costumes"