Dominions in this world exist across 3 different time periods. Interacting directly with a dominion in another era requires an open Age Passage.
The offensive and defensive power of Military Units varies with one's era. Additionally, dominions in different eras receive the following bonuses and penalties:
| Era | Industry | Influence | Exploration |
|---|---|---|---|
| Ancient Age | -5% | +20% | +0% |
| Medieval Age | +0% | +0% | +40% |
| Renaissance | +15% | +0% | +80% |