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Istros I2 Upper Survive is a Stamina Type Beyblade released as part of the Burst System as well as the Dual Layer System. It was released in western countries as a part of the Istros I2 & Gaianon G2 Dual Pack.
Energy Layer - Istros I2
Main article: Energy Layer - Istros I2
Forge Disc - Upper
Main article: Forge Disc - Upper
Upper features two sloped metal wings that, in theory, provide Upper Force in Right-Spin and Down Force in Left-Spin. However, in practice, the low angle and short width of the wings makes any Upper or Down Force effect negligible. Furthermore, Upper is light in weight, lower than the more popular choices for Stamina; 4 and 7, making its KO resistance sub-par compared to the aforementioned Discs.
Performance Tip - Survive
Main article: Performance Tip - Survive
Survive is extremely similar to the Metal Fight Beyblade Performance Tip Defense (D), with a low-angled cone shape protruding from a cylinder. As a result, while it is overpowered by some Heavy Defense Combinations, it has still shown to be useful in Stamina-based Burst Combinations like Defense does for Metal Fight Beyblade Combinations.
However, it can also be used as a Defense Performance Tip in absence of better ones, and while it is outclassed, its shape helps it rebound from attacks to avoid being KO'd. While good ball-shaped or rubber sharp Performance Tips lack in Beyblade Burst, Survive has enough stability to take hits without losing all balance and precessing too early like sharper tips.