Neuronist Painkill

Neuronist Painkil (ニューロニスト・ペインキル) is an NPC of the Great Tomb of Nazarick. It is a special intelligence investigator in charge of torturing prisoners.

Appearance
Neuronist's appearance is that of a huge grey bloating corpse with tentacles and very long fingers with sharp inch-long nails. Though its race is asexual, Neuronist declared itself to be an "Onee-san" (Big sister).

Personality
Neuronist is in charge or torturing the prisoners and extracting information from them. She delights in her job and inflicting pain, especially since her favorite food is brains.