Ha, funny 6 days ago I had an AI give its idea for AoE5. I didn’t use Gemini, though.
It first made this, which is eerily a lot like yours in camera angle, river on right, and a few other things. Great AI minds think (or steal?) alike, apparently 
I told it to ditch the AoE4 icons and be more inspired by AoE2 instead (but take it to the next level), along with some other prompting, and it iterated to this (see my post here):
Haha, your AI made a missile/rocket treb
