Nero

Nero (ネーロ) is a monster that appeared in Ultraman R/B Novel: The Blue-Eyed Girl Whose Name is Gray.

Subtitle: Plant Monster (植物怪獣)

Ultraman R/B Novel: The Blue-Eyed Girl Whose Name is Gray
Revered as the guardian god by Planet Dontak's Bosco Tribe, Nero is a monster whose appearance resembles a composite of flora and fauna. Nero was responsible for providing the Bosco Tribe with trees and forest but requests a sacrifice for once in every decade, or else it would devour the whole village. The previous sacrifice was Viola, who hosted a vital organ which caused Nero to feed on her life force and become invisible.

A decade later, Nero was responsible for killing various bounty hunters sent by Mr. Largo. The recent one is a trio of siblings Rosso, Blu and Grigio, who discovered the true nature of Nero and the Bosco village. During the night of the ceremony, Nero extracted its organ from Viola and proceed to transfer it to Bianca, but the siblings interrupted it before the new sacrifice absorbed it. With Nero returned to its full strength, it proceed to attack the brothers before Grigio kills Bianca with her heat ray gun, killing Nero as well in the process. Nero's death allows Largo to send his protege in bombing the entire village as he mine the area from rare minerals and sold it to the Interstellar Alliance.

Trivia

 * Nero is the Italian word for black. This is due to the fact that plants produced from Nero's spores are of different species, commonly black-leaf trees.

Powers and Weapons

 * Vital Organ : An energy sphere which prolongs Nero's life force by inserting it into any young girls as a victim. This process is done once in a decade as the previous victim would die from emaciation. This process is comparable to a caterpillar fungus by Rosso.
 * Immortality : So long that the vital organ in inserted into the victim, Nero is invisible to attacks and can sustain its life force for another ten years.
 * Vines : Nero's body is covered with tree vines that gave it the appearance of a millennia-old tree. They can be detached to be used as a prehensile limb or weapons to whip its victims, alongside a needle at its end.
 * Spores : Nero's body can unleash spores which caused vegetation to grow.