Black Horn

Black Horn is a Beast-Type bison spirit and one of the five Spirit Allies of Anna Raregroove.

Description
Black Horn has a more reserved nature than Silver Wing, being more quieter and more gentle overall. However, he also tends to be less confident and has a noticeable stutter when speaking.

Black Horn's shaman master, Anna Raregroove, can use a decorated bison horn as a medium to form him into the OverSoul: Black Horn, which takes the form of bulky, glowing silver armor on Anna's lower-left leg. A totem-like effigy of a bison's head, also colored silver, is positioned on her foot. Though its full capabilities are unknown, it has notable defensive capabilities and does not seem to slow Anna down to any serious extent.

History
Black Horn was once a bison that died and ascended to the spirit world, where he became a Beast-Type spirit with intelligence equal to that of an average human. Black Horn was summoned back to the mortal world to guide and train Silva of the Patch Tribe in the shamanic arts. When Silva was on his deathbed, he instructed his five Spirit Allies - Black Horn, Silver Wing, White Tail, Jewelnet, and Banded Rod - to train his daughter, Anna, in the shamanic arts like they trained him. Black Horn and the other spirits could have returned to the spirit world upon Silva's death, but decided to honor their former master's last wishes and train Anna. At first, the five spirits only helped Anna out of an obligation to Silva, but over time, they all became such good friends with Anna that they wanted to train her regardless.

In 150,081 CMT, Viriathus asked Anna if she could see her Spirit Allies, so Anna began to meditate and kindly asked Black Horn and the others to materialize. A few minutes later, all five spirits came to a consensus and appeared around Anna, with Black Horn materializing beside her right foot. Black Horn politely greeted Viriathus, stating that it was a nice to meet her. Once Anna had introduced them all to Vi, she dismissed her Spirit Allies and invited Vi to spar with her instead.

Trivia

 * Black Horn is an adaptation of the character Silver Horn from the manga/anime series Shaman King.