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Fortress (フォートレス, Fōtoresu) is a Forge Disc released by Takara Tomy as part of the Burst System as well as the Dynamite Battle Layer System and the Burst Ultimate Layer Series. It debuted in Japan with the release of the B-198 Random Booster Vol. 29 on May 28th, 2022.


A DB Disc that supports Low Mode. Fortress has a lightened outer circumference, an inner center of gravity that makes it difficult for the shaft to shake, and has a high Defense.
— Official Description

Fortress is a symmetrical, hexagonal DB Disc, with high Outward Weight Distribution (OWD). Like the Outer Disc, Fortress has large gaps separating the center from the edge. These gaps are intended to further increase OWD and Stamina. Fortress is one of the heaviest Discs available, alongside Giga and Over. Compared to the aforementioned two DB Discs, Fortress has comparable Defense and Stamina performance against Same-Spin opponents, but lags behind against Opposite-Spin opponents. However, thanks to its shape and heavy weight, it has excellent Attack performance equal or greater than Giga, and thus can be used for Attack combinations. In addition, the shape of Fortress synergizes well with the Guilty Blade.


Fortress's shape and heavy weight makes it useful in Attack combinations, especially ones using the Guilty Blade.

As such, Fortress is not a must-have but a welcome addition for the WBO's Burst format.

Fortress is not legal in the WBO's Burst GT format.

Fortress is not legal in the WBO's Burst Limited format.

Fortress is not legal in the WBO's Burst Classic format.


Takara Tomy


Takara Tomy