Sofia Bulga - ソフィア・ブルガ

She is a renowned adventurer and was the strongest adventurer registered to the guild, prior to [Tomoe](https://anilist.co/character/138138/Tomoe) and [Mio](https://anilist.co/character/138139/Mio) joining. She is a dragon slayer that received the rank of SSS in honor of defeating Lancer as a dragon and is given the title "Dragon Slayer" after that.