RomeTW How do i adopt new general??

[Silva]

I have noticed Captains get promoted more frequently when you win a battle with a Heroic Victory.

Not sure if this is always the case, but thats how most of my promotions have occurred.

[Lucidor]

I have noticed Captains get promoted more frequently when you win a battle with a Heroic Victory.

Not sure if this is always the case, but thats how most of my promotions have occurred.

That's my experience as well - he'll have to do well against foes at least his own numbers or more.