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(footage by mossbag, gif by mossbag)
So in mossbag's latest video some comments chalked up the discarded shell's wind to decomposing gas, and I'd say is a reasonable conclusion, if not for the fact that the Pale King has more than a couple ties to wind that can't quite be as easily explained
(footage by Ccmanci, gif by me)
The monarchflies that become the monarchwings also generate wind, made obvious by said wind stopping upon obtaining the wings
Their exact relation to the king is unclear (part of him? fragments of him? spawn of him? simbiotic to the Wyrm?) however they're undeniably connected judging by their name and appeareance This, while more shaky than the decomposing process of an unmeasurable Wyrm, could still be explained as the individual flies simply having such a strong flapping
but the connections to the wind don't stop here
Both Quirrel and Godseeker describe the winds as guiding them to the kingdom, with Godseeker apparently equating the winds to the king's lingering power (that power beacons to Hallownest -> these winds carry us to the gods)
The same wind that coincidentally makes it impossible for you to leave Hallownest in a straightforward way, even if just within gameplay
Specific winds that both draw bugs to Hallownest and deter them from leaving, certainly sounds like something that'd work alongside/ as part of the Wyrm's Beacon, to "pull bugs into their thrall" you could even say