Just go back slowly.
The easiest thing is to upgrade from inverted A to inverted A (ability liberation), and then you have it.
The general route is whirlwind gundam = inverse A gundam (basic) = inverse A gundam = inverse A gundam (ability liberation) = inverse X gundam.
Other useful organisms are
OO theater version of the protagonist series
OOR gundam
DX Gundam +G Falcon
Freedom of attack is as high as&; Infinite justice is as high as
Susan Nuo/God Gundam/Respectable Gundam
The rest is what you like and what you use.
Dark Phoenix was rewarded after the customs clearance in Zhou Mu, and he could develop several anti-celestial bodies (such as Bai Fenghuang, Empress, and anti-Agatha Black History).