Suggest new ideas here.

Yes. The idea about zodiac signs is interesting. It would be nice to implement that. I also suggest adding spells that can be cast on the global map, not just in battle. For example, something like a "thundercloud" over an enemy castle. As a result of this spell, there is a chance that some of the castle's buildings will be destroyed. The spell doesn't take effect immediately, but after some time (it takes time for the cloud to reach its destination). The spell can be cast not only on a castle, but also on a specific point on the map.