Sentient Weaponry

The power to possess a sentient weapon.

Capability
Sentient weapons are objects with intelligence may be human, robotic, or magical (as is the case with any non-technological weapons, such as a sword), but not all magic weapons are sentient.

Application

 * Magic: only through the weapon
 * Soul-Bound Weapon
 * Weapon Proficiency
 * Weapon Merge

Known Users

 * Shinigami (Bleach)
 * King Arthur (Arthurian Legend)

Limitation

 * A sentient weapon may experience a moral conflict from its specific nature as a weapon, or may function as the villain, which, through its intelligence, is able to gain power.
 * It may try to kill it's wielder.
 * It may differently aligned than it's user.