I think being given the option to select our first illuvial t0 class or affinity or both would cultivate a sense of personalization and agency early in our Illuvium journey. We would be able to get a jump start on crafting team comps. This could be implemented during the tutorial instance by giving the Ranger cadets a sample of options on which illuvial to hunt first.
This idea comes from when Professor Oak gifted the new trainers with their first "choice" of starter pokemon. It wouldn't matter if our first t0 illuvial fits into our later team comps, but it would be cool if that first Illuvial could have a special Stat boost (not necessary)
Curious to know your thoughts.