Cobalt Conrad

## General

Cobalt is a college professor of Physics and a researcher of serial killers and civilians. He appears in the arcs Murder Party and The Deep One.

## Personality

Cobalt appears to be a level-headed, quick thinking college professor. In reality, he is just good at hiding his quietly unhinged nature. When it comes to completing his objective, he is dedicated. He doesn't seem to care about being killed, as long as his brain is intact so it can be used for future research by someone else.

## Appearance

Cobalt has medium dark skin and long, curly black hair tied back in a ponytail. He has one strand out that curls at odd directions in front of his face, and a small goatee that has a slight upwards curl. He tends to wear formal clothing like vests, dress pants, and ties, and also has small hoop earrings in both ears.

## Abilities

**Knife Proficiency:** Cobalt always has a few knives on his person, and is good at using them for multiple purposes. In the Murder Mansion, he used them as handholds to get over a pit trap and as mirrors to reflect lasers.

## Backstory

He had a little brother who was good at school and football. Eight years prior to the Deep One arc, his little brother was killed, giving Cobalt a hatred of criminals. He wanted to find a way to stop crime entirely, and that became his research topic and his obsession.

## Plot

Cobalt was first introduced in the Murder Party arc, where he was one of the only participants to survive the initial round of attacks. He teamed up with Koumori Kuroko and Miyuki to hunt down the creator of the mansion and to escape. Upon finding the creator, he had just one question: "What is your killing rule?" Dissatisfied with the lack of answer, Cobalt walked away just before the elder was crushed by the boat driven by Hinako. He left on the boat with the others.

After that, he disappeared until the arc The Deep One, where he was a hidden antagonist. He was revealed to be a researcher dedicated to studying the differences between serial killers and innocent civilians by killing them and harvesting their brains for study. His ultimate goal was to curb crime by comparing killers to sane individuals. He had a laboratory deep in the caves beneath a church run by a corrupt priest and his elderly mother, where he paid them to supply him with more subjects. He also had another ally who was a target of Kuroko's, but when she killed him, Cobalt only cared about finding why she killed people. He showed a vested interest in harvesting her brain someday.

As part of his study, two of the civilians Cobalt killed happened to be Nagatsuki Sui's father and Mitsurugi Tougo's wife, Asahi. Upon hunting him down, Tougo wanted to exact revenge for his wife by shooting him, and Cobalt was about to let him with the caveat that he leave the brain intact for future research. Kuroko stopped him at the last minute, and Cobalt agreed to be detained and taken to prison.

At Ruruie Prison, Tougo paid Cobalt a visit to ask him about a microchip found within a prior antagonist's body (the rain guy), saying that it had been sending signals to an unknown location. Cobalt revealed that the chips were being used to monitor certain criminals' activity, that there were five chips total, and three out of the five subjects were still alive.

After the interview, Cobalt pretended to be sick and needed an escort to the nurse's office. While being escorted by a warden, he coughed up a pill containing Cesare and Francis and shoved it into the warden's mouth, forcing him to swallow. The warden went on a murderous rampage, killing seventeen and seriously injuring six before dying, and in the chaos Cobalt escaped. His whereabouts are currently unknown.