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Unicrest U2 Quarter Accel, known as Unlock Unicorn Quarter Accel (アンロックユニコーン・クオーター・アクセル, Anrokku Yunikōn Kuōtā Akuseru) in Japan, is an Attack Type Beyblade released as part of the Burst System as well as the Dual Layer System. It was released in Japan on December 28th, 2016 for 972円 as one of eight possible Beyblades in Random Booster Vol. 5 Gigant Gaia.Q.F.
Energy Layer - Unicrest U2
Main article: Energy Layer - Unicrest U2
Unicrest U2 is a round Energy Layer designed for Defense that features ten blades, nine of which are made up of clear plastic and make the "mane" and one which is made of colored plastic and makes "the horn" of this Layer's namesake; the mythical Unicorn, featured in the center.
The clear blades of the "mane" are smooth, compact and placed in a manner that deflects oncoming attacks, creating a low recoil design, while the single "horn" is shaped differently to create this Layer's gimmick; counter attack. Since the horn is much thinner and rests at a much higher angle than the rest of the blades, it creates a sizable gap that is, in theory, meant to provide Smash Attack to Burst the opponent and/or drain their Stamina. However, in practice, the angle and direction of the horn is ill-suited for such a purpose and instead creates a point of recoil, that is more recoil heavy when off balance, that drains Unicrest U2's Stamina.
This problem is further exacerbated by the teeth featured in the Takara Tomy release, which are very short and weak. While they can withstand the low recoil provided by the mane, the recoil provided by the gap makes Unlock Unicorn very prone to Bursts.
While the weight distribution of Unlock Unicorn does lend itself well to Stamina purposes, this does little to compensate for the recoil and teeth issues.
Forge Disc - Quarter
Main article: Forge Disc - Quarter
Quarter is a Disc with a wide, round, pipe-like shape interrupted by four rounded rectangular protrusions, on one of the protrusions is a small, marked elevation that creates the look of the letter 'Q'. Like all Forge Discs, it has two tabs that protrude from the top and fit in the slots in the Energy Layer. These tabs are marked with a stylized 'Q' for identification.
Quarter's gimmick is that it is highly unbalanced, it achieves this by being mostly hollow on the underside, with the marked protrusion being half filled in with metal. A weight distribution like this has two primary uses.
The first is to increase the Smash Attack of Attack Combinations as the unbalanced nature creates momentum like a flail, this is further enhanced by the weight of Quarter which is greater than Heavy or Gravity. However, the off-set weight distribution is too little to increase Attack potential meaningfully while also severely increasing the risk of Self-Bursts.
The second is to make a Combination using an unbalanced layer, like Xcalibur, more properly balanced by placing the heavier corner opposite the heavier side of the Layer which increases its Stamina and Burst resistance.
Furthermore, this same unbalanced nature makes Quarter unsuitable for Stamina and Defense Combinations as the more unbalanced a Beyblade is, the easier it is to Burst.
Performance Tip - Accel
Main article: Performance Tip - Accel
Accel features a plastic flat tip with a small diameter, akin to Flat from Metal Fight Beyblade, and sits at the standard height. The center of the Driver also contains an embossed logo featuring a stylized letter A for easy differentiation from other Drivers. Due to the surface area, Accel will create an aggressive, and if launched at an angle, somewhat easily controllable movement pattern. In terms of speed, Accel is faster than Blow but is slower than Xtreme, capable of reaching and stalling on the Tornado Ridge. Due to the plastic construction, Accel is an excellent choice for both Mobile Stamina and Attack/Stamina Balance Combinations. Furthermore, the solid construction also ensures that Accel will not wear out like other Tips such as Xtreme nor be damaged like Zephyr.
However, Accel's plastic construction is also a weakness as Attack Combinations using Accel can lose their Banking Pattern somewhat easily, especially if the Combinations are unbalanced. Furthermore, the low friction means that Accel is liable to self-Knock-Outs.