So wait, the threads were fine running through the forest to who knows how far and how convoluted paths, but throw a guy up a tree and they're too tangled to work? Ok...
So wait, the threads were fine running through the forest to who knows how far and how convoluted paths, but throw a guy up a tree and they're too tangled to work? Ok...
You've read this far, and this is the one that seems implausible?
If we speculate that the threads act as conduits not for actual physical force, but for magical physical force (i.e., like the arrow demon that attacked Lady Tamayo) it seems less unreasonable that getting tangled around branches could impede the precision needed for puppeting them effectively -- not to mention keeping them off the ground.