WWE 2K22

Actually doing the achievement is pretty simple - boot up MyFaction, go over to the Proving Grounds section, and click on the first tower. Finish all the matches in that list, and it'll pop.

Here's a tip though, if you got one of the packages that gives you both the XB One and Series X/S versions.

Each version has its own distinct achievement list, but your MyFaction account is cross-generational, so once you complete this achievement in one version, you can just open up the other version, go into the ProvingGrounds section, and the achievement for that side should pop as well.

The same is true of most MyFaction achievements, though for the Faction Wars one I had to do one more round for it to recognize it was complete.