Vanilla latest version V.15.0.8856, no other mod used , pure vanilla play from t video - Better Aggresive CAI for Attila mod for Total War: Attila
Dedicated to Improved Campaign AI behaviour, Better Aggresive CAI was the First,the Largest and the Complete Campaign AI Overhaul in Attila Total War modding scene in TWC, unlike other mod its specifically only focus on fine tune CAI as good as its ever be, starting from Februari 2015 right after Attila first version release, we already work to fix the AI core problem in Attila engine from day 1. In term of flexibility, Better Aggresive CAI also work in multiplatform with other Hosted Mod in Total War Center as well. So its give player freedom to combine Better Aggresive CAI with their other favourite mod The mod itself divided into many parts all that can be made custom tailor experience.
Notice the AI do fail to capture Eboracum, you can count how many turn gone , also notice the AI is still trapped between need to sack, raze, and even they managed to occupied, its already poor and broken land due to much sack happen on there.