"Ah..." Loki nodded as if he knew precisely what those were. Though he could imagine - he'd run across shapeshifters before, though not specifically foxes. This would require a bit more research. And it was in line with the more legendary qualities of foxes as creatures of cunning. "I always did rather like foxes," he murmured, almost to himself.

"Surprising, that the ability worked so well here. But it is nice to have some sort of defense, to be certain." He tilted his head. "So I take it your forms are not just limited to a human of flexible age."