I cannot believe I didnt do this sooner, but in updating the Campaign spreadsheet, I was going to add the Tier 4 and 5 numbers, until I realized I did not have the Attack and Life modifiers confirmed yet. And with that I mean the multiplication compared to Tier 1. For Tier 1, 2 and 3 it was easy to just follow the stars in the Barracks (1, 2 and 4 attack respectively), but for Tiers 4 and 5 it is a bit different. I’ve now figured them out.
Tier 1-5 Attack/Life modifiers