Minerva's a peacekeeper at heart—she's always been vocal about her dislike of conflict, especially while she's out there healing people. What's interesting is her pretty singular focus: she cares about what's directly in front of her, and honestly doesn't worry much about stuff she can't see—like the side effects of her own abilities. That said, she's not reckless about it. Once she's handled the immediate crisis and people stop needing urgent help, she'll turn her attention to whatever damage her powers might've caused. As long as there are injured people who need her, though, that's her priority.
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