Bondrewd "The Novel", also known as "The Lord of Dawn", "The Sovereign of Dawn", is a legendary White Whistle Delver who has made many great discoveries about the secrets of the Abyss. A researcher fascinated by the Abyss, he has often resorted to illegal and morally questionable means in order to get funds and to conduct his research, including selling Artifacts and information from the depths illicitly, developing dangerous drugs, and even experimenting on living humans.

Made in Abyss Manga: Made in Abyss Chapter 032, Page 4