When opened, it has a button on the back of its head that, when pressed, will extend the second head from the bottom of its normal head. It is officially included the [[BakuDouble Strike]] series because of this feature.
There are currently no [[Haos (Legacy)|Haos]] versions officially recorded. The [[Subterra]] version comes in only one variation, with 720 Gs in BakuBoost. The [[Aquos (Legacy)|Aquos]] version comes in five variations, with 660 Gs and 700 Gs in BakuTriad, 780 Gs in BakuBoost, with 620 Gs in BakuDouble Strike and one with 820 Gs. The [[Pyrus (Legacy)|Pyrus]] version comes in one variation, with 730 Gs in BakuBoost and BakuTriad. The [[Ventus (Legacy)|Ventus]] version comes in one variation, with 680 Gs in BakuBoost. The [[Darkus (Legacy)|Darkus]] version has 770 Gs. Only one [[Haos (Legacy)|Haos]] version is known, with 820 Gs.
==Trivia==