Here is the full list of all 48 Dynasty Warriors 8 Empires trophies - there are 36 bronze, 8 silver, 3 gold and 1 platinum.
Win a battle with significantly less allied forces than enemy ones.
Obtain at least 100 weapons.
Obtain at least 30 items.
Became a Ruler for the first time.
Raise the banner of your own Kingdom for the first time.
Create a Kingdom comprised entirely of your sworn siblings, spouses and children.
Clear any scenario on the "Chaos" difficulty.
View any of the endings using a custom character.
Obtain virtue of "Pure Evil."
Use at least 100 Stratagems.
In Edit Mode, create at least one officer, banner, warhorse and soldier.
Obtain virtue of "Saint."
Build at least six of the same facility.
Be appointed as a Marshal for the first time.
Have a child for the first time.
Get married for the first time.
Profess your love for someone or have someone confess their love for you for the first time.
Swear a sworn sibling oath for the first time.
Receive a weapon or item as a gift for the first time.
Build a facility for the first time.
Complete four Battle Objectives in a single battle.
Fight your way into enemy territory alone and defeat an officer.
Obtain 20 officers in your own Kingdom.
Complete a Strategy Objective for the first time.
Capture 10 or more bases during a single battle.
Fight and win a stage in spring, summer, fall and winter.
Win a battle with more than 90% of your total forces remaining.
Stop a Large Scale Stratagem being prepared by the enemy.
Complete your first mission.
Obtain all of the trophies in the game.
Complete all lifestyles.
Achieve all titles.
Use any custom character to defeat all of the famous officers.
Defeat more than 10,000 enemies using just Stratagems.
Execute all Strategy Commands at least once.
Have a total of at least 5 children.
Make all famous officers into your subordinate officers.
View all of the events that can be watched in the Gallery.
Succeed your superior's position for the first time.
Get recruited as a Marshal or Strategist from being a Free Officer.
Rise in rebellion and become Ruler.
Perform a betrayal for the first time.
Have a subordinate officer abandon you for the first time.
Use a Stratagem to change the weather.
Be appointed as a Strategist for the first time.
Take part in "Battle of Chibi - Allied Forces" & have Zhuge Liang's "Southeast Wind" strategy work.
Complete a Quest and deepen your friendship with your Ruler.
Have at least three officers declare their love for you in a single lifetime.