Larian Studios Forums Divinity: Original Sin 2 Divinity - Original Sin 2 - General Lucian's Crypt puzzle is funny

So I figured out the puzzle, with help from a video and all.
https://gyazo.com/3eef32d59335a3c723dc83272df1f448
The blood is annoying to work with in that the blessing part stops halfway.

What I got out of this is that the intersection blocks only go forward, they don't spread out. So two can cross over each other, oddly enough.