A lone warrior from an alternate universe
A man of mystery who seeks only to return the land of his origin, He has genius level I.Q. and is a brilliant tactician and leader, however he prefers to sell his virtually unstoppable might to the highest bidder as he only leads if he is forced to due to the incompetence of his commanders. he tends to act distant and uncaring of things that happen in this universe.
wears a loin cloth, carries a massive 8ft long sword made of unknown metal that is unbreakable and ever sharp crafted for him by the legendary swordsmith Gassan who was said by some to be an oni demon, Was gifted by an ancient and powerful creature named Matokun with Strength, speed, endurance, virtual unstopability, and healing factor to rival the Juggernaut's from the Marvel Universe.
Born in what we know as the marvel universe about 1000 years before the current timeline, he was orphaned as a babe and left to die in a village destroyed by the Ancient Mutant Apocolypse. He was found a raised by Wondering swordsman who taught young kaibor the ways of the warrior, Kaibor was taught everything the old warrior (who's name was Hutachi) could teach him, from hunting and fishing, to multiple styles of armed and unarmed combat techniques, all the way to millitary tactics and Business operations. When the boy's training was complete he set off on a journey of his own to hunt down and kill Apocolypse, it was shortly after leaving his master that he encountered Matokun who had taken the form of an old man to gain Kaibor's confidance and had offered Kaibor power that would make him capable of accomplishing his goal if Kaibor offered his service to Matokun (who could call on this service whenever he wished) So after weighing the option he accepted Matokun's offer and on shaking hands with the demon Kaibor was whisked through space and time to what we know as the modern Marvel universe, there Kaibor had lived quite happily for sometime with his new found power and physique until Matokun appeared again and told him his service was needed, Kaibor was once again whisked through space and time and woke up in this strange universe his mission now is simply be a merceneary until Matokun arrives with more specific instructions.