I Am Invincible With My Luck Stat at 999 and Infallible Insta-Death Magic ~I Was Banished With a Magic Power of 1, but I Rise to the Top With My Probability Cheat~

I Am Invincible With My Luck Stat at 999 and Infallible Insta-Death Magic ~I Was Banished With a Magic Power of 1, but I Rise to the Top With My Probability Cheat~
Born into a prestigious family of magicians, Sachi faced despair when her magical power was assessed at a mere 1. In contrast, her luck stat was an astonishing 999, but to magicians, it was deemed worthless—?