Here is the full list of all 25 Eormor: Shattered Lands achievements.
Win your first combat
Complete your first goal
Win a game of any length or difficulty
Form your own kingdom
Claim the throne of a kingdom
Be assimilated into a kingdom
Raze a settlement
Have 100 regiments
Have 50 ships
Start a turn with 200 action points
Win a goal through secession
Make a trade deal that completes your goal
Form an army or fleet of more than 25 units
As king of the Southern Kingdom rule over the cities of Citarak, Citarim and Citaril
As king of the Kingdom of Eormor rule over the cities of Citarak, Fort Rockanar and Fort Tigmalkar
As king of the Kingdom of Iroum rule over the entire Greater Rockanar region
As king of the Kingdom of Rockanar rule over the entire Syphanion region
As king of the Freedmen have 10 houses in your kingdom
As king of the Kingdom of Aglus-Syphanion raze 5 settlements in a single turn
As any house wipe out the Southern Kingdom
As any house rule over the entire Greater Vukanar region
As any house rule over the entire Solan region
As any house rule over 15 ruins
As a king rule over all remaining houses on the continent
Be the only remaining house on the continent