This article, Ultimate Super Saiyan Blue, is the property of GekuTheSaiyan. |
Gohan was the only one to unlock it because Gohan had the " Ultimate " ki. Gohan with Whis' training was able to unlock it. He used the transformation to defeat Cell Black.

Rest in peace, Akira Toriyama. You will never be forgotten.
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This article, Ultimate Super Saiyan Blue, is the property of GekuTheSaiyan. |
Gohan was the only one to unlock it because Gohan had the " Ultimate " ki. Gohan with Whis' training was able to unlock it. He used the transformation to defeat Cell Black.