A fourth-wall-obliterating infodump by the whatever-the-heck-it-is that acts as a familiar to the girl explains that her new "average" is 6800 times more powerful than almost all humans in the setting.
-----
"The Lady of the Lake, her arm clad in the purest shimmering samite, held aloft Excalibur from the bosom of the water, signifying by divine providence that this was some killer weed."
"The Lady of the Lake, her arm clad in the purest shimmering samite, held aloft Excalibur from the bosom of the water, signifying by divine providence that this was some killer weed."