All records of "NOBUNAGA'S AMBITION: Taishi" are cleared

You receive a wife through a marriage alliance

Form an alliance

Win a historical battle

Win a battle on sea or lake

Win a battle as part of a coalition

Construct a new castle

Upgrade a castle to its maximum

Use each of the various policies: agriculture, commerce, military, and rhetorical

All commerce commands have been used

All agriculture commands have been used

All diplomacy commands have been used

Experience all disasters

Win a battle with none of your units retreating

Win a battle with an opponent who has more than double the soldiers

Clear 10 quests

Obtain 5 grand trading zones simultaneously

Win 50 battles

Enact 30 policies

Clear the scenario "Kawagoe Night Raid"

Clear the scenario "The Battle of Itsukushima"

Clear the scenario "The Battle of Kawanakajima"

Clear the scenario "Dawn of Revolution"

Clear the scenario "The Battle of Takagi River"

Clear the scenario "Like a Dream"

Use 20 types of plans in battles

Unlock all of the resolve traits for 5 Daimyo

Achieve a 100,000 gold income

The population of your clan reaches 1 million

Clear the game by destroying all clans