"For something as precise and energetic as this, it's very finicky, it requires customisation for different Valkyries. Variables include frame complexity use, Valkyrie compatibility, their preferred movement style, local Impeller conditions and existing frame components. Extremely time consuming, tens of thousand hours of simulator time per frame probably. I played with the thought but dismissed it as inefficient."
She pauses, then points a finger skywards, at the moon.
"Even up there, under the most controlled environment possible, the God Gun will probably need a month of recalibration after every shot thanks to its likely effects on its surroundings."