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Roktavor R4 7Bump Fusion', known as Crash Ragnaruk 7Bump Fusion' (クラッシュラグナルク・セブンバンプ・フュージョンダッシュ, Kurasshu Ragunaruku Sebun Banpu Fyūjon Dasshu) in Japan, is a Balance Type Beyblade released as part of the Burst System as well as the Cho-Z Layer System. It was released in Japan on July 20th, 2019 for 1080円 as one of eight possible Beyblades in Random Booster Vol. 16 Flare Dragon.Ar.Pl Sen.
Energy Layer - Roktavor R4
Main article: Energy Layer - Roktavor R4
Roktavor R4 is a round Energy Layer designed for Stamina. Consisting of four wings, two of which are small and made of clear plastic and two of which are large are made of colored plastic, akin to its predecessor Blaze Ragnaruk. The large wings are molded to create the visage of heads to match the anime's rendition of the Layer's beast, a winged demon. As part of the Cho-Z Layer System, Crash Ragnaruk features metal in its design; in this case, concentrated on the wings.
The compact placement of the wings creates a very round design where any protrusions and gaps from and between the wings are too shallow to create high recoil. The large size of the metal laced wings improves Stamina Potential by creating high Outward Weight Distribution. Furthermore, Roktavor R4 keeps the same "Stamina Wings" gimmick from its predecessor Blaze Ragnaruk. In Crash Ragnaruk however, the "Stamina Wings" are made of metal, and while the movement action has no effect in battle, the weight of the metal does increase Stamina.
However, the Takara Tomy release of Crash Ragnaruk features four teeth of only medium-short height which severely reduces the Layer's Burst resistance. However, Roktavor R4's heavy weight and the round, low recoil perimeter can compensate to create tournament acceptable Burst resistance.
Like many other Cho-Z Layers, Crash Ragnaruk is unbalanced, though not to the same degree as others, which increases Burst risk and drains Stamina. However, these issues can be solved with the use of a Level Chip that fits underneath the Layer.
Forge Disc - 7
Main article: Forge Disc - 7
7, like other odd numbered Core Discs, is an asymmetrical, elliptical disc that can facilitate a Disc Frame. 7 is designed similar to Gravity or Heavy, with seven designs jutting out that resemble the number "7". At first glance, the Disc looks unbalanced, but in reality, two of the sections on one side being halves makes it balanced. 7 is one of the heaviest Discs thus far, outclassed only by 10 and 0, and has a ideal weight distribution for Stamina Combinations. Its high Outward Weight Distribution grants it not only the highest Stamina potential out of all other Core Discs, but its weight grants it high Attack and Defense potential without the severe Burst Risk of 8. With the use of Disc Frames, 7 can be used to great effect in any Combination.
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 - Fusion'
Main article: Performance Tip - Fusion'
Fusion', like its predecessor Fusion, features a plastic flat tip with a small diameter and a small protrusion in the center, akin to Flat Sharp from Metal Fight Beyblade, and sits at the standard height. The center of the Driver also contains an embossed logo featuring a stylized letter "F" for easy differentiation from other Drivers.
When launched parallel to the stadium, Fusion' will spin on the protrusion, creating a stable, Stamina-conserving spin. When knocked off balance by the opponent or launched at an angle, the flat tip will contact the stadium floor and create a movement pattern with the same speed as Accel before returning to balancing on the protrusion.
However the aggressive movement is unreliable as the protrusion can slow a Fusion' Combination down in the center of the stadium or stop the movement entirely. Furthermore, the small size of the protrusion means that when a Fusion' Combination slows down and lists, contact will be made with the flat base, severely reducing Stamina.
Unlike its predecessor, Fusion' features a much thicker spring in its locking mechanism, increasing Fusion''s Burst resistance.