Where to buy paid assemblies?

I only find Yee's paid assemblies buy button, but the rest is not. I want to buy the rest as well. So, my question is there a place that show all of paid assemblies and buy button?

Most topics has links to buy
https://www.ensage.io/categories/paid-assemblies

Also u can go to
https://www.ensage.io/database
And select assembly type paid in the right and choose utility/hero.