Let's try upgrading her instrument instead, then. Lemme know if this works.
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[color=00aeef][b]GRIMIORE:[/b][/color]
An azure shark tooth necklace. The shark tooth is serrated on the inner side.

[color=00aeef][b]INSTRUMENT:[/b][/color] Apex Predator
A large knife with an 8 inch blade and a 4 inch grip. The blade shines with polished luster. The hilt is simply an extension of the blade; the entire thing seems to be made of a single piece of metal that was carved into a dagger shape as if it were from a piece of wood. The handle has small bumps on the sides that the palm touch that are not unlike those used for braille, though they are seemingly randomly placed. The front and back of the hilt are curved to better fit in a person's hand, and have small indents where their fingers would rest. The back of the blade is covered in smaller "blades," each is half of a right angle triangle of metal that has a bottom that is flat and sharpened, making a row of teeth that point their fangs towards the tip. These look not unlike shark fins, facing upwards. The top of the front of the blade is slightly serrated, and the blade curves inwards slightly just before reaching the guard, before curving back out into it. The guard is much duller than the rest of the knife, though it seems to be made from the same piece of metal as the rest. It extends 1.5 inches from the grip and curves slightly down towards the hand on the front and up towards the blade on the back. There is a marking of a moon engraved on the right side and a marking of the sun engraved on the left side of the guard. At the bottom of the hilt is a small ring, about 1.25 inches in diameter that spins independently of the rest of the knife, the only part that isn't from the same piece of material. 

Silver Upgrade:
Apexer Predator has evolved a long string of tiny chains that are extremely dull metal and run from the pommel ring to a ring on Marrie's right middle finger. This ring is also connected to a bracelet that's tightly fit around her right wrist which a second chain connects past her fingers to the first chain. While the chains that connect to the dagger are incredibly dull in luster, the chain between her bracelet and ring is just as brilliant as the dagger's blade. The chains can retract to bind themselves around the bracelet in order to pull the dagger back to Marrie, or extend to a maximum length of 16.5 feet (three times her height) to be used as a ranged weapon. The chains, while very small in terms of the size of the links, are as sturdy as the rest of the esper's weapon.

Ranks:
Damage: C, Speed: D, Sentinel: C
Special: Retractable chain, incredibly light-reflective blade.
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