Them's Fightin' Herds: Obtaining the two hidden story mode achievements [spoiler alert]

Them's Fightin' Herds recently activated achievements, so now anyone can earn them! You may or may not have noticed that achievements were already in the game from a few weeks ago, but they were impossible to earn. Well, now that the game is available on consoles (Switch, PS4/PS5, and Xbox One/S), achievements are turned on, including a few for story mode. Two of the achievements are hidden from being described until you earn them. Spoiler alert!