How do other pretenders override my Dominion?

[Nappa]

For the first time since my fist two games I lost a game because Pythium was able to extinguish my dominion everywhere.

What exactly causes this to happen? if their dominion can never get above 10 and my dominion is 10 how can they overcome my dominion?

I saw this happening about 10 turns before the game ended. I immediately charged all my armies deep into Pythium territory. He had built a temple in every single territory. I probably destroyed 20-25 temples in those 10 turns and it did not seem to help.

Also, how does blood sacrifice work? when I noticed this happening I started blood sacrifices like crazy and switched every priest to preaching and I still lost.

Bill