Here is the full list of all 100 Knights of Honor II: Sovereign achievements.
Win the game.
Win a game by developing all advantages.
Have an army reach 7,000 manpower.
Top all 3 Culture-related rankings at the same time.
Reach the maximum level with all of your court knights.
Destroy 50 kingdoms.
Convert 100 provinces to your kingdom’s religion.
Actively end disorder in 200 provinces.
Conquer 250 provinces by force.
Top all 3 Wealth-related rankings at the same time.
Have the Ecumenical patriarch as a knight in your court.
Win 1000 battles.
Have 6 marshals at the same time in your royal court.
Own 5 trade centers at the same time.
Fail an Emperor of the World claim.
Destroy the Papacy.
Lose a level 15 character.
Top all 3 Conquest-related rankings at the same time.
Own 100 provinces.
Reach 400 commerce.
Top all 3 Society-related rankings at the same time.
Defeat a crusader army marching against you.
Make all Upgrades of a Royal Palace.
Make all Upgrades of a Cathedral or a Grand Mosque.
Make all Upgrades of a Trade Port.
Produce Maps.
Make all Upgrades of a University or a Madrasah.
Reach 100 piety/faith/tradition income.
Reach 500 gold income from trade.
Pillage 15 settlements in a single game.
Fully develop an advantage.
Have one of your towns become a trade center.
Have a non-Marshal (nor Shaman) knight lead an army.
Reach 100 levies income.
Reach 100 books income.
Reach 150 food production.
Execute 10 prisoners in a single game.
Have 3 or more rebellions simultaneously.
Use all building slots in a town.
Hire knights in each slot of your royal court.
Start a war by sending or refusing a territorial claim.
Become a Great power.
Reach 200 gold income.
Defeat a rebellion by force.
Overtake a foreign province.
Destroy a kingdom.
Reach the maximum level with one of your knights.
Help your knight escape from a dungeon by using a Spy.
Have your army killed by the arrows of a nearby town or castle.
Top a ranking.
Execute or assassinate a king.
Start a multiplayer game.
Organize a prison revolt.
Provoke war between two kingdoms with a Spy action.
Declare war on a kingdom with which you’ve signed a non-aggression pact.
Support another player in a battle.
Lead an alliance of at least 3 kingdoms.
Claim independence.
Instigate a crusade.
Have your king lead a crusade.
Destroy the kingdom of another player.
Participate in a battle, in which 3 other kingdoms are involved.
Win a naval battle.
Pick a new kingdom in a multiplayer game after your first one was destroyed.
Assassinate a knight of another player with a Spy.
Complete a Scholar’s journey.
Establish a colony.
Top all 3 Politics-related rankings at the same time.
Have a cleric of yours become the Pope.
Establish a caliphate.
Claim autocephaly.
Have at least 3 pagan beliefs promoted at the same time.
Win a Grand Campaign after starting with a single-province-sized kingdom.
Win a Peasant’s Rush game by reaching the target kingdom’s size.
Win a Greedy Kings game by collecting the target amount of gold.
Win Destroy kingdom by destroying the target kingdom.
Win a “First blood” game by destroying an opponent.
Win a game by becoming the Emperor of the World.
Top all rankings at the same time.
Win a Grand Campaign in under 5 in-game hours.
Hold Constantinople, Mecca and Rome at the same time.
Have the opinions of all society classes reach maximum values at the same time.
Change your kingdom's religion twice in a single game.
Refuse peace offer when you have only one town, that is being besieged.
Initiate break siege with your king from within a town.
Become a vassal.
Declare independence while playing with Scotland.
Adopt Heroes and Battles beliefs.
Send gold to another kingdom while playing as Leinster.
Declare war on Salamanca.
Reach the west end of the known world.
Gain 20 provinces via diplomacy.
Pillage 100 settlements.
Using a diplomat, improve your relations with other kingdoms 1,000 times.
Sign 50 trade agreements.
Vassalize 50 kingdoms.
Bribe 100 knights.
Import 20 goods.
Adopt Oceans and Raids beliefs.
Win a War for Goods game by producing the target amount of goods.