Hand drawn thorns. Very life-like. The quality of the shading makes them appear 3D so every thorn looks harmful and intimidating. You can feel the pain through this drawing as thorns are related to Jesus' crown of thorns, and it conjures up images of torture and blood shed. I can imagine thorns building up around someone in my animation, trapping them within themselves, their own demon. Acting as a barrier between them and the outside world. Much as an addict would feel inside their head.
The oldest brother, asked for a wand more powerful than any in existence! Then the second brother, decided that he wanted to humiliate Death still further, and asked for the power to recall others from Death. The youngest brother did not trust Death. So he asked for something that would enable him to go forth from that place without being followed by Death. And death, most unwillingly, handed over his own Cloak of Invisibility.