This wasn't really planned so I don't have any GBA edits/builds,
but I made an accompanying portrait for the heck of it; in my Community tab.
If I don't upload the following Chaos season, I'll still post a couple more portraits then.

Japanese AR Planning Tool: https://fireemblem.fun/?pid=1469
Bertin's last Astra/Anima vid with my detailed breakdown in the comments:    • Fire Emblem Heroes: All Faye Defense ...  

0:00 Intro
1:54 Team Breakdown
6:15 (Simulation) Showdown with Bertin in 2020
14:51 Final Thoughts