Mostly joking, "Ha, just kidding, unless..." sort of app for power.

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Noble Arm Name & Appearance:
KAST

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Noble Arm Rank: B+(?)

Noble Arm Type, Element, and Range: 
Melee, Close-Ranged, Assassination-class Kinetic Space/Time Element. Or, "KAST," if you would. (Kinetic Assassination in Space Time) 


Noble Arm Abilities: 

Perceiver Pressure: Extreme kinetic vision, to the point of almost being future-sight, that activates on command or when the Arms Master is in danger. On command causes a near-rehabilitating level of mental exhaustion when exceeding either 15 seconds into the future or 5 seconds of maintaining the ability. When maintaining it, the Arms Master can only see 5 seconds ahead for 5 seconds, or up to 15 seconds ahead for 1 second. When automatic, it activates when the danger becomes initially present; the Arms Master would begin seeing the future 3 seconds ahead if a gun was pointed at them, or 15 seconds ahead if it were in the process of being fired. (The gunman's finger began moving on the trigger.) 
[Perceiver Pressure requires the knife to be closed to use at full capacity. If open, it will only work at 1/5 capacity.]

8 Gigahertz: When in immediate lethal danger (a gun is pointed at the Arms Master for example, and the gunman's finger begins to move) the Arms Master begins processing stimuli at 3 times the normal speed, compounded with adrenaline if relevant. (If they see the gun aimed at them and get an adrenaline boost, the processing speed becomes 9 times the norm instead of 3 times.) This causes extreme acute physical stress on the bones of the Arms Master and overwhelming physical exhaustion either when the adrenaline dies down, or 2/3s of that exhaustion 57 seconds after no longer being in danger. Repeated use of this could cause the Arms Master to break their bones and/or pass out from exhaustion if used too much in a consecutive manner. (For example, escaping danger and then getting into danger again 57 seconds later.) 
[8 Gigahertz works at all times, regardless of whether the KAST is open, closed, or in hyperspace. Though if in hyperspace, the stress also affects the Arms Master's muscles, not just their bones.]

Transmissive: The ability to teleport to any perceived or known location. If to a perceived location, it will cause extreme mental fatigue 60 seconds after the teleportation. If to a known location that is not within perceivable distance, it will cause intense vertigo for the Arms Master 33 seconds after teleporting. The exception to these rules is teleporting to the location of KAST, which causes a migraine for the Arms Master that lasts around 15 seconds, but is possible to work through like any other migraine. 
[Transmissive requires STACK to be out of hyperspace to use. KAST can be open or closed when using it.]

Boundary Bounce: Having STACK manifested outside hyperspace causes two constant effects. The first is mental exhaustion that builds up the longer KAST is in the world, leading to an eventual collapse into unconsciousness at 333 seconds of manifestation. The second applies only if KAST is not in its open state, which is partial paralysis of the Arms Master's left arm and total deadening of their chest. They would not be able to feel any sensation from above the naval to the bottom of the neck when KAST is not open, even severe damage such as a bullet wound would be unfelt. This causes the same issue as anyone who cannot feel pain; if they don't notice it, they'll not take steps to alleviate the damage or possibly even notice the damage before it takes its toll on them. 


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I'll work on a "real" app later/tomorrow. Just wanted to throw this out because at the very least, it's a fun idea. Maybe it'll work for an antagonist or something.