Custom rig is a bit wacky

[notsad2 (nots7d)]

this is my first time working with custom rigs, so you’ll have to bear with me
i apologize if this is the wrong category to post this in, but animating support doesn’t exist

i got this cool model that’s uh, that has Motor6Ds, and all the necessary parts are welded (see screenshots below)

but for some reason the torso just… doesn’t wanna rotate?
rotating the torso in moon animator will rotate every single limb but not the torso, why is this happening?

welding anything to the torso will just lock everything in place and not let me rotate anything (this issue is NOT in shown in the video)

video of what i mean: (compressed because roblox sucks)

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hierarchy of the uhhh the rig:

[ET_Gamer851 (Person)]

Im not an expert but can it be that the motor6D’s are parented and connected to the HumanoidRootPart and not the Torso?

Considering that the deafult Roblox rigs Motor6D’s are parented to the torso and with another motor6D to the HumanoidRootPart and the Torso

[notsad2 (nots7d)]

it was because humanoidrootpart wasn’t anchored