МОД: Клинок Армагеддона / Armageddon's Blade

It actually looks pretty cool. What's the problem with the attachment? The sword is right there.

The problem is that the model moves without the sword; the sword remains stationary.

I don't know what I'm doing wrong; my knowledge of model instances, particle instances, and similar concepts is too limited...

Could you take a look and see if you can spot what I'm doing wrong:

P.S. Twitch will delete the video in 14 days.

https://www.twitch.tv/videos/1171727929

Video above.