Misa gives up ownership of her Death Note, causing Misa to lose all of her memories of the Death Note, being the Second Kira, and having met the Kira.
If I'm being honest, it's very interesting! Speaking of bug geometry, can you believe about Thierry Mugler? Though incapable of directly dealing damage to the said target, the effects are still profound and almost godly in most scenarios.
The folklore helps to build up the suspense and make it believable.