Easy
Anastasia' brows shot up, then she looked toward the Void Beast below.
Processing materials and alleviating the more… troublesome aspects of Force Crafting like gathering materials, refining them, preparing them, were all matters that the Lab Setting was created for. But on top of that, it was also a force multiplier. It allowed for experiments on large levels and without even Leonel's input, she had already integrated all of the test subjects of the Violet Force experiments, it was something that came second nature to her.
Processing a beast, even if it was a Void Beast, was well within her power. After all, this Void Beast had long since died and its vitality had been crushed to a point even these lessers of the Void Race could stand within it just fine. As a Complete World's Spirit, it was well within Anastasia's prowess.