When your series is named after you, you are important. Lufia may not know that she has a game series named after her, but she certainly believes she is important. After all, she is a beautiful girl, an excellent cook, a powerful sorceress, a considerate friend, and far better than that blonde half-elf could ever hope to be.
In the DL, Lufia can count on her magic damage to see her through matches. She may not have the speed and versatility her slime-elf rival does, but she does have respectable thunder damage and a few magical tricks up her sleeve. It was enough to make her a Light champion in Season 11, and she hopes to repeat her success in the future.