Ambreville
Deity
Tower building or improvement with inherent ranged bombardment ability? That sounds pretty cool. Drop it on the reserved for future use idea pile then.
I gotta stop giving you guys bad ideas. I'm sure I'll be cursing myself for it later!

One more observation about Heroes (as if I hadn't made enough already) -- the choice of promotions available to a Hero seems to be "pre-ordained" in the Civilopedia. It's both okay and not okay. The problem I have with this is that some key promotions that are specific to certain unit classes are missing, even though leadership in that unit class is available to a Hero.
Case in point: a Hero has a significant potential with Siege units, but only some of the related promotions are ever available. That's a pain!
What if Hero promotions are tied to both the unit classes in which they do have leadership and the command rank attained therein? I hope I worded that correctly. So a D-Rank leadership with Cavalry would unlock only very few Cavalry-related promotions (or maybe just generic promotions that apply to any unit class). On the other hand, an A-Rank Cavalry leader, or for that matter an S-Rank Cavalry leader, could choose from most or all Cavalry-related promotions when attaining a new XP level. Ya?
There are three benefits for this:
One -- if you choose to specialize a Hero in one style of leadership, then you have a certainty it'll really be worth it in the long run.
Two -- This "dynamic" approach ensures that the more powerful promotions are kept out of the game until a Hero attains a sufficient leadership rank. This opens up the idea that some promotions might be more worthwhile than others -- by design. It also removes from the list of promotions available to a Hero those that just aren't relevant to the Hero's current leadership rank. I hate to have promotion choices pertaining to Naval warfare available to a Hero when that Hero has no Naval leadership ability at all, or maybe just a lowly D-Rank. On the other hand if I have a Hero with leadership rank of C or B, I'd like to see more promotion choices connected with his specialty.
Three -- There is no need to specify in Civilopedia which promotions are available to each Hero (unless they are "free"). You can simply state which leadership ranks each Hero can attain, and let the ranking mechanism determine automatically which promotions become available.
In some cases, certain unique Heroes existing at the beginning of a scenario might start with promotions that wouldn't normally be available because their current command rank is too low -- that's okay! These "free" promotions are dictated by the needs of the scenario (or their historical background).
Makes sense?