The Worlds Strongest Witch Vol 3 light novel

Oblivious to her growing reputation as both a powerful threat and a godlike savior, Lorna heads for Webenheim, the royal capital. But the so-called City of Gold is full of temptations, and Lorna soon finds herself addicted to slots! Despite the riches she's amassed so far, she quickly racks up massive debt. Can her new friend, a merchant who isn't quite what she seems, help Lorna recoup her losses in a high-stakes street vendor competition?