The whistle has an unusual enchantment on it, that seems keyed into the building as a whole. There's clearly some sort of enchantment over the entire building, one that messes with one's sense of perceptions and locations, though, as long as he's holding the whistle, the building makes more sense, and he can more easily pinpoint his location, within it. Without it, he's certain he's in a completely different location, part of what helps to keep the maze-like function of the structure.<br/><br/>Dispater gladly approves the idea, and even pulls a few strings to arrange for the building, himself, giving them a small warehouse he'd recently acquired from a devil who'd failed to pay his rent, and was sent to Avernus. His escort leads him almost straight down; he can sense their position moving downward, even though they take relatively few stairs, a rather disorienting sensation, to be certain. About half an hour later, they finally arrive in a room, where, just moments later, the nine-tailed kitsune goddess emerges, apparently mentally trying to keep track of her steps, and looking rather confused, as she mutters to herself.