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