In addition to boosting his strength via the System, since the team representing the college has been conclusively determined, the school has finally begun to invest in Kain and the other first-years in earnest.
This investment came in the form of a practically limitless supply of resources for feeding their contracts daily, opportunities to exchange for materials not available in the regular exchange area at an extreme discount, and access to the best evolutionary planners and trainers the college had to offer. However, Kain didn't take them up on their offers of a personal trainer since Kain already had the System's Training Arena to improve the combat experience and skill proficiency of his contracts.
However, the most prominent opportunity would definitely be the chance to enter one of the college's relics.
In fact, it is the exact same relic that they had entered for the entrance exam, but this time with all of its features completely unlocked.