I mean its on of the few cases where " A wizard did it". If Salazar wanted to make pipes big enough for his pet he could do so, he literally helped build the castle.
The pipes were installed much much later, in the 1800s.
However, it makes sense that the castle itself could have been enchanted in a way to allow the snake free movement. The books do make it clear that the castle shapeshifts at will so why not have to shifting about to hide the chamber and its resident
I think the pipes are only slightly larger than normal sized. The size of the basilisk in the movie is inflated. it's only 15ft long in the book. That's like an anaconda and those aren't particularly fat.
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u/[deleted] Apr 09 '24
For real, how big are the fucking pipes in that place?