Here is the full list of all 38 WARRIORS ALL-STARS achievements.
Proved that you are the strongest.
Cleared any battle in 2 minutes or less.
Was sent back forcefully.
Decided to live as a kunoichi in this new world.
Led Shiki to become the new ruler.
Captured an evildoer.
Lost your memory... again.
Led Tamaki to become the new ruler.
Ate 10 or more meat buns in a single battle.
Searched the barrel.
Collected 100,000 Gold or more.
Viewed level 3 conversation event with any one character in the Sanctuary.
Cleared any battle without taking any damage.
Cleared a battle using a Special Attack.
Used a Combo Skill.
Received the maximum level of Regard from any one character.
Activated Musou Rush 3 times or more in a single battle.
Earned 5000 or more EXP in a single battle.
Won the first battle.
Obtained material.
Collected all achievements.
Led Setsuna to become the new ruler.
Sealed Yomi away and saved the world.
Purified Yomi and restored the world to its original state.
Parted ways with Tamaki in order to protect her.
Unified the world and then gave it away.
Became the ultimate idol in this world.
Put on an act in order to save the world.
Displayed the strength of a hero.
Unlocked all actions for every character.
Viewed bathing events for every character.
Received the maximum level of Regard from every character towards any one character.
Reached the maximum level with any one character.
Cleared Story Mode in 3 hours or less.
Unlocked all of the regions on the World Map.
Cleared all Story, Hero and Dramatic Battles.
Defeated 8 or more enemy officers using Hero Skills in a single battle.
Saved allies 5 or more times in a single battle.