It's unfortunate that many people are commoners or of average rank, making it hard for them to secure a place within the academy.
Fortunately, the seven noble families have reserved spots every year, but this privilege won't be beneficial if they're late for the entrance test.
The reason Arthur told them that he has a fire ability and not an ice one is that he doesn't need to train with the ring's powers after gaining memories from previous ring users. Meanwhile, he will secretly train his ice ability to be his ace against enemies in tough situations.
Arthur raised his right hand and ignited a small fireball in his palm. "I want to make a grand display like Alice, but I'm afraid I'll burn the room," Arthur joked.
You might think that anyone is born with a great affinity for their ability, but you're always mistaken. Abilities always start from zero, unlike what Alice did, which is exclusive and special to novel heroes, not supporting characters.