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Roktavor Central Massive, known as Ragnaruk Central Massive (ラグナルク・セントラル・マッシブ, Ragunaruku Sentoraru Masshibu) in Japan, is a Defense Type Beyblade released as part of the Burst System. It was released in Japan on November 14th, 2015 for 3000円 as part of the Beyblade Custom Set Defense & Stamina.
Energy Layer - Roktavor
Main article: Energy Layer - Roktavor
Roktavor is a rugged looking Energy Layer that bears a striking resemblance to Seaborg's Whale Attacker, featuring two flat, blunt protrusions with smaller, pointier trailing edges. Unlike most other Energy Layers that incorporate some sort of slope or relief, Roktavor has a nearly-uniform thickness throughout the Layer. The majority of Roktavor's weight is packed behind its two primary contact points, which, coupled with the shape of these protrusions, provide the Layer with a considerable amount of Burst Attack. However, these same features also subject Roktavor to large amounts of rotational recoil during a collision as well. As Ragnaruk has only three average sized teeth and one small tooth, is is unable to handle its own recoil and tends to Burst quite often, making it practically nonviable in competitive play.
Forge Disc - Central
Main article: Forge Disc - Central
Central features a thickened central ring and a thinned perimeter meant to create a Centralized Weight Distribution. The centralized weight is meant to increase spin velocity which has numerous effects on performance:
If used on Attack Combinations, the higher spin velocity will increase the force of impact. If used on Defense Combinations, the centralized weight will increase KO resistance.
While Central has an indent on once side to prevent this Disc from being perfectly balanced, it is not the main downfall of this Disc. What prevents this Disc from being competitive is the light weight which makes any effect from the Centralized Weight Distribution negligible at best as there is too little mass for effective Attack potential and too little mass for effective KO resistance.
Performance Tip - Massive
Main article: Performance Tip - Massive
Massive features a ball shaped tip that sits at the standard height, akin to Defense, but differs by having a larger diameter, having three tabs instead of four and lacking the defensive ring. In theory, the wider tip would increase a Beyblade's Defense by having greater surface area and friction, however in practice, Massive lags behind Defense in almost every aspect.
Like other ball based Defense Performance Tips, the tabs around Massive are meant to act as brakes against KOs at the cost of Stamina by striking against the stadium floor, however, the larger diameter makes such contact rare, giving Massive weaker KO resistance than Defense.
The greater surface area of the larger ball creates a semi-aggressive movement pattern early in the battle, bringing a Beyblade closer to the Tornado Ridge. Due to the aforementioned weaker KO resistance, any Beyblade using this tip will become very easy to KO.