[3.5] "Look, whatever you're thinking, do me a favor; don't let go."

[PeacefulOak]

Ever read the Malazan Book of the Fallen serries?

I'm seeing this as an Exceptional Mythos...

Curse of the Eternal Bearer
A weapon as unique and powerful as the Syntrofos deserves to be carried by the ultimate warrior. What better way to find such a bearer than to create one yourself, forged in blood and battle, drawn back from the brink of death time and again until they have become the ultimate wielder.

Choose a worthy bearer, who must have at most half your hit dice/levels. If taken at first level, a 0-level commoner is your bearer. You bind yourself to your wearer, making yourself an item of such value to your bearer that they will not willingly release you. If you are held in your bearer's hand, you can cause that hand to seize in such a manner that it is impossible to remove you. There are no other effects to this Mythos... until your bearer is slain in combat for the first time while wielding you. Your bearer's corpse falls as normal, save that its hand is sealed to you. It is completely impossible to remove you. The bearer cannot be brought back to life by magical means, any attempt to do so discovering that it's spirit is... missing.

After one hour the bearer returns to life, screaming in abject pain and suffering. The bearer takes 1 point of Wisdom drain. The bearer gains a level in the Bearer class (below), its soul having been instructed in that hour in the proper methods of wielding you.

Each time your bearer dies, the period of rebirth is reduced by 5 minutes. Each time your bearer dies, it gains a level in the Bearer class, up to a limit of the Syntrofos' class. Once that level has been reached, if the Bearer previously had levels in any other class the Syntrofos can choose to replace a level from another class with a Bearer level, if that would be a tactically sound choice. Each time your bearer is reborn, it takes another point of Wisdom drain, to a minimum of 2. The process of painful death and tortured rebirth bears a heavy cost for the bearer, who goes slowly insane over time unless he receives magical healing. Even with the Wisdom drain corrected, the emotional scars of the rebirth process never fade.

Advanced
Release to Peaceful Oblivion: There may come a time where your bearer is no longer serving to your requirements, no matter how many times you lead it to a violent death. You may choose to abandon your Bearer in the hopes of finding a new worthy being to be born to glory in your radiance. The abandoned bearer immediately suffers 10 points of Wisdom burn and goes insane. They lose all class abilities from being a Bearer, but will still likely seek out battle in the hopes of finally finding release in death.

Bearer
The Bearer has ability progression exactly as a fighter (Full BAB, Good Fort and Ref), with the fighter skill list as well. It gains bonus feats in the same way that a fighter does, but is restricted to only choosing feats that apply directly to comabt and the use of their Syntrofos. Choose one Martial Discipline that has as its preferred weapon type the same type as your Syntrofos. You gain the ability to perform combat maneuvers and stances as a Crusader, but only while wielding your Syntrofos.