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