[NTJedi]

Raiel...
If you're playing Orania then you need to either change your AI opponents or switch to a different map because the many water provinces will provide human players a great advantage over most AI opponents.

If you're playing a map with water you need to remove the nations which rarely attack water provinces... such as

Ulm
Sauromatia
Abysia
Caelum
Pangea
Tir
Fomoria
Vans
Kailasa
Yomi

MA:
Pythium
Marignon
Pangea
Vans
Bandar Log

The AIs have a major weakness of rarely attacking water provinces. Water mages use to be able to enter water provinces and carry troops with them allowing more AI nations to attack the water provinces in DOM_2. Now in Dominions_3 that's been removed and the AI is extremely weak at expanding into water provinces.