The Glimpse of Darkness's handle is off-white and has a wide, black pommel. Its guard is black with thin, orange edges, is lined by rectangular spikes, and does not connect to the bottom of the handle. The weapon's shaft is rather short, conical, and off-white in color. The head of the Keyblade is black with thin, orange edges, as are its teeth. The teeth are quite a bit larger than those of most other Keyblades, reaching halfway down the shaft. The outer edge of the teeth is lined by rectangular spikes of varying lengths, and there is a small, black protrusion on the opposite side of the weapon to the teeth.
The Glimpse of Darkness's head and teeth are reminiscent of Lexaeus's Skysplitter Axe Sword. Its Keychain token resembles a black cog with orange inner edges and is lined by short, rectangular spikes held together by a pale white cylindrical figure.
The ground combo consists of a horizontal slash to the right, a downward slash, and a spinning slash started from the right side. The spin can be executed twice with an additional tap of .
The aerial combo is made up of a downward slash and ends with a spin from the left.
| Fury | Armstrong | Scission | Scrutiny | Redwood | Madman's Vita | Twilight | Sizzling Edge | Rise to Fame | The Hermit | Parting Ipheion | Vague | Glimpse of Darkness|
Soul Eater | Mage's Staff | Knight's Shield | Kingdom Key D | Kingdom Key