Yaeger Yggdrasil Down Unite (イェーガーユグドラシル・ダウン・ユナイト, Yēgā Yugudorashiru Daun Yunaito) is a Balance Type Beyblade that's a part of the Burst System as well as the Dual Layer System. As an anime-exclusive Beyblade, it was never released. It was formerly owned by Fubuki Sumiye before he obtained Emperor Forneus 0 Yard but it has also been used by many minor characters in the Beyblade Burst Evolution anime.
Energy Layer - Yaeger Yggdrasil
Main article: Energy Layer - Yaeger Yggdrasil
Takara Tomy's Yaeger Yggdrasil is a kite-shaped Stamina Type Energy Layer similar to its predecessor Yggdrasil. It is named after Yggdrasil, the tree of life in Norse mythology, however to represent the anime’s rendition of this Layer’s beast, two dragon heads are present on either side near the center of the Energy layer.
Most of the weight of Yaeger Yggdrasil is focused on its perimeter. While this may imply high Stamina potential, the kite like shape of the layer produces recoil which diminishes the Stamina of the layer, making it outclassed by Energy Layers like Deep Chaos and Screw Trident. The recoil produced by the kite-like shape is too low to be useful for Attack Combinations. Further more, Yaeger Yggdrasil features four teeth of short length which are unable to handle its recoil making it extremely prone to Bursting. Due to these reasons, Yaeger Yggdrasil has no competitive usage in any type of Combination.
Forge Disc - Down
Main article: Forge Disc - Down
Down features a dropping shape akin to Armed and Vertical with thin bands that connect the interior of the Disc with the weighted nubs along the bottom portion. Like all other Forge Discs, it features two tabs with stylized 'D's that protrude from the top to fit into the slots of an Energy Layer.
Down's design is meant to lower the center of gravity on a Beyblade, doing so increases a Beyblade's Stability and reduces the risk of floor scrapes. In addition, the wide shape of Down focuses much of its weight around the perimeter, giving this Disc excellent Stamina properties and giving Attack Combinations greater aggressive movements with its Flywheel Effect.
However, Down has two features that give both advantages and disadvantages: The first is weight, Down's average weight means that its Knock-Out Defense is sub-par compared to more popular choices such as Heavy or Gravity, but at the same time gives more Burst Defense than the aforementioned Discs. The second is height and shape, while excellent for Stability and Stamina, the weighted nubs create a rough perimeter and the low positioning makes it easy for said nubs to contact the stadium floor late in battle when spin velocity is low, rendering any Life-After-Death null. However, the low center of gravity helps resist listing and Destabilization to prevent such contact.
Performance Tip - Unite
Main article: Performance Tip - Unite
Unite features a flat rubber tip with a sharp plastic tip in the center, akin to the Coated Sharp Performance Tip of Metal Fight Beyblade, that sits at the standard height. When launched straight down into the stadium, the sharp tip in the center will keep the Beyblade stable and still in the center, preventing Stamina loss.
When a mint condition Unite is either knocked off balance by an opponent or launched at an angle, the rubber will make contact with the stadium, creating an aggressive movement pattern with speeds similar to Xtreme. However this aggressive movement is somewhat unreliable as the sharp center can slow it down in the center of the stadium or stop the movement entirely.
When worn however, instead of creating aggressive movement when struck, the rubber will instead act as brakes against a Knock-Out, at the cost of Stamina, before going back to the center of the Stadium due to the sharp tip.