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Cho-Z Achilles 4Bump Yard (超Zアキレス・フォーバンプ・ヤード, Chō Z Akiresu Fō Banpu Yādo) is a Defense Type Beyblade released by Takara Tomy as part of the Burst System as well as the Cho-Z Layer System. It was released in Japan on July 12th, 2019 for 7560円 as a part of the Legend Star Bey Set.
Energy Layer - Cho-Z Achilles
- Main article: Energy Layer - Cho-Z Achilles (Takara Tomy)
Takara Tomy's Cho-Z Achilles is a Balance Type Energy Layer. The center features a shield and an armored face facing forward, unlike its predecessor where the face was seen from a side profile, meant to represent the Layer's namesake, the Greek hero Achilles. The perimeter is made up of four large blades as the primary points of contact, two of which are molded in the shape of swords, granting the Layer high Knock-Out and Burst Attack potential. As part of the Cho-Z Layer System, Cho-Z Achilles features metal in its design; in this case, concentrated on the sword blades. Cho-Z Achilles also features a gimmick; the Layer features an anti-Bursting mechanism called the "Cho-Z Awakening System".
At high spin velocity, the centrifugal force activates a bistable mechanism, revealing sub wings called the "Cho-Z Wings" and in turn extending tabs called "Burst Stoppers" in the grooves meant to fit the prongs of the Disc. The Burst Stoppers then obstruct the Disc, hindering the last click and preventing the Cho-Z Achilles Combination from Bursting. Due to the bistable mechanism the wings and tabs do not retract when spin speeds are low and must be manually pushed in after every match to allow the gimmick to work as intended.
Only two of Cho-Z Achilles' "Cho-Z Wings" will move the tabs, as well as the remaining two "Cho-Z Wings". However, due to the bistable mechanism, Cho-Z Achilles requires rather extreme spin speeds for the gimmick to activate which may be difficult for younger bladers.
The Layer's size and the inclusion of metal makes Cho-Z Achilles heavier than most God Layers, improving Attack Potential by increasing the weight of the Layer, granting higher inertia that increases both Knock-Out and Burst Attack and increasing the Layer's Burst Resistance as the high inertia resists teeth skipping, a property that compliments the tall teeth of Cho-Z Achilles. Due to these factors and the shape of the blades, Cho-Z Achilles performs well in Attack Combinations. Furthermore, due to the small size of the "Cho-Z Wings" and how recessed they are normally, Cho-Z Achilles shows identical Attack potential whether or not the gimmick is activated, unlike Cho-Z Valkyrie.
However, Cho-Z Achilles' points of contact will wear down fairly quickly with use, drastically reducing the Layer's Attack potential. Due to this, it is recommended to have multiple copies of this Layer and to be prepared to replace it.
Unlike previous Cho-Z Layers and like other Layers with the "Cho-Z" prefix, Cho-Z Achilles is incompatible with a Level Chip.
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 (OWD) and subsequent Stamina potential. As a Core Disc, 4 is comparatively heavier than regular Forge Discs such as Heavy and Gravity which grants higher Knock-Out 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.
Disc Frame - Bump
- Main article: Disc Frame - Bump
Bump is a round Disc Frame with numerous protrusions to give it a rough perimeter. While too small to come into contact with the opponent's Layer, Bump is one of the thickest and thus heaviest Frames in the game, heavier than Meteor, which grants high Attack potential when paired with Core Discs such as 7. While the round shape may imply high Life-After-Death, the rough perimeter makes it outclassed for Defense and Stamina by Glaive and Cross.
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 Knock-Out 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 Knock-Outs. However, in practice the free rotating nature of the ball reduces most of the Knock-Out 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 Knock-Out, 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.