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Leopard L4 4 Yard, known as Vise Leopard 4 Yard (ヴァイスレオパルド・フォー・ヤード, Vuaisu Reoparudo Fō Yādo) in Japan, is a Defense Type Beyblade released as part of the Burst System as well as the Cho-Z Layer System. It was released in Japan on July 14th, 2018 for 993円 as one of eight possible Beyblades in Random Booster Vol. 11 Vise Leopard.12L.Ds.
Energy Layer - Leopard L4
Main article: Energy Layer - Leopard L4
Leopard L4 is a symmetrical Attack Type Energy Layer that features a leopard head on either side, meant to represent the Layer's namesake; the Leopard, each head having a large mouth lined with red "teeth". As part of the Cho-Z Layer System, Vise Leopard features metal in its design, in this case; the leopard heads are made of metal. The inclusion of metal makes Vise Leopard heavier than most SwitchStrike/God Layers. Leopard L4 also features a gimmick; the top half of the Layer is spring-loaded for it to "bite" onto the opponent.
Theoretically, the opponent's Layer would slip into the gap in the perimeter of Leopard L4 and become caught on the red "teeth", which are made of rubberized plastic, stopping the opponent's Layer and creating Burst Attack potential. In practice however, the gap in Leopard L4 is too small for any opposing Layers' protrusions to be caught in, the teeth are too small to grip into the opponent's Layer and the spring used in the Layer itself is too strong to move up during impact. As such, Leopard L4 features poor recoil, making it ill-suited for Attack Combinations. However, for the Takara Tomy release of Vise Leopard, the three strong teeth and fairly round shape of the Layer can create moderate Defense potential.
Forge Disc - 4
Main article: Forge Disc - 4
4, like other even numbered Core Discs, is symmetrical and elliptical in shape in order to facilitate a Disc Frame. Each side features two protrusions, one molded into the shape of a "4" and the other molded into the shape of the Roman Numeral "IV". The protrusions extend further from the center more than other Core Discs which grants 4 high Outward Weight Distribution and subsequent Stamina potential. As a Core Disc, 4 is comparatively heavier than regular Forge Discs such as Heavy and Gravity which grants higher KO resistance and the ability to facilitate Disc Frames can add characteristics such as Life After Death with Cross or Glaive. While 7 has greater Stamina, 4's Stamina is still comparable.
Performance Tip - Yard
Main article: Performance Tip - Yard
Yard features a free rotating ball tip, akin to its predecessors Orbit and Atomic, surrounded by a wide ring, akin to Defense. In theory, the ball tip would increase a Beyblade's KO Defense by having greater surface area and friction and the wide ring is meant to make contact with the stadium floor when the Beyblade is struck, forcing it back upright and acting as brakes to prevent KOs. However, in practice the free rotating nature of the ball reduces most of the KO resistance given by the surface area of the ball and the diameter of the ball makes contact with the ring rare. Unlike other ball based Performance Tips, Yard does not feature tabs around the tip as their purpose have been taken by the wide base. If launched hard, the greater surface area creates a semi-aggressive movement pattern early in the battle, bringing the Beyblade close to the Tornado Ridge.
While these features may imply that a Yard Combination would be easy to KO, in reality the heavy weight of SwitchStrike/God and Cho-Z Layers, Core Discs and Yard's own weight compensates for the rotating ball. Furthermore, the free rotating tip increases Burst resistance. While the shape of the base can create Life After Death and may imply high Stamina and Spin Equalization potential, the low placement of the base creates a high scrape risk and the lack of free rotation in the base nullifies Spin Equalization potential.
Yard is slightly shorter than most other Pre-Cho-Z Performance Tips. In theory, this is meant to prevent the opponent's Layer from striking the Yard Combination from below and Destabilizing it, thus increasing Defense potential. In practice however, due to the design of the Burst System, this increases the chances of Disc-to-Layer contact and can potentially Burst the Yard Combination. Though the only minor reduction in height mitigates the effect.