User blog comment:B214/Question and Answers 2/@comment-24098614-20140607223810/@comment-9339850-20140608080413

Simply put, yes its possible. But in all honestly, after 17  volumes and how much character/power development she has gone through (like dealing with her heritage and developing her lightning/holy-lightning spells) it would seem kinda pointless to reveal she has a Sacred Gear.