She possesses a sword that absorbs any magic that touches it and a knife that can drain all magic from the user and give a replacement effect. When activated, the knife will grant her significantly greater speed (about 12x). She can activate and deactivate it at will and doesn't need to be holding or using it, it just has to be on her person. However, it's not always advantageous to have the knife activated because she lacks proper control over her body when moving at this speed. She will generally be more effective in a close-range fight without the knife activated. It's mainly useful for either moving her entire body over some distance or for doing one specific type of movement (ex: in a fight, if for some reason she only needed to swing her sword really fast without needing to worry about footwork, defense, or technique, it would be an improvement). After deactivating the knife, her magic will be drained for a short while (eyes and her enhanced physical capabilities). An application of her spirit eye: with a little time, she can create a link between her spirit and her opponent’s spirit, and then activate the knife to cut both off from magic entirely. This will generally last for a minute or two before the link breaks and the knife will not grant a speed bonus to anyone.
Her sword will absorb any magic it touches. With her perception and reflexes together she is generally able to block any magic directed at her, including some types that don’t have any apparent travel time (but should need to see them begin to cast the spell in order to do this). The absorbed magic dissipates after less than a second, but while it is stored in the sword it can be released at her discretion (Usually this will just be a weaker version of the absorbed spell, but she if the effect is fairly simple, she can manipulate it to do something different. Like if she absorbed a fireball, she might be able to use the fire in a different way, like using it back at them like a flamethrower or creating a short-duration wall of fire). If someone is touching the sword and uses magic on it, the sword will absorb all magic from that person (of the type they used: Air would retain her physical enhancements if she “eyes” the sword). With great effort, this could be used to cut an opponent off of magic for a few seconds and potentially unleash it back at them, but its main use is allowing Air to pour her magic into the sword and unleash an extremely powerful attack, combining the power of both her eyes to create an elemental burst (typical ice or fire). Using this leaves her eyes deactivated for a while and is also quite tiring. This would generally hit at least twice as hard as her strongest ordinary strike. The burst extends out from the point of impact by about 6 feet in all direction.
Air is an extremely talented swordsman who became a legendary, undefeatable hero (among non-magical people. she's a "peak human", for what little that term is worth) before any of her magical abilities activated. As noted, her force eye focuses her solely on killing her opponent in battle. However, she’s not exactly a berserker: she’ll still fight intelligently and use her abilities effectively, but she won't necessarily always use the optimal strategy, particularly if it involves patience.
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DROP THE R AND BACK AWAY!