Here is the full list of all 40 Astebreed achievements.
Destroyed the entire enemy fleet in Chapter 3.
Reached a total Lock Level of 30,000.
Cleared the game on Normal difficulty.
Destroyed 100 enemies and their attacks using the Spin EX Attack.
Continued 10 times.
Used the Blade to knock a direct attack from Asymptote Void back in Chapter 5.
Used the Dash Blade attack to get a x16 multiplier ten times in total.
Viewed all the tutorials.
Played the Prologue to the end.
Cleared a chapter on Easy difficulty without taking damage.
Cleared the game on Easy difficulty.
Cleared the game on Easy difficulty without using continues. (Chapter Select is not allowed.)
Cleared the game on Easy difficulty with less than 50,000 damage taken in total (Chapter Select is not allowed.)
Cleared a chapter on Normal difficulty without taking damage.
Cleared the game on Normal difficulty without using continues (Chapter Select is not allowed.)
Cleared the game on Normal difficulty with less than 50,000 damage taken in total (Chapter Select is not allowed.)
Cleared a chapter on Hard difficulty without taking damage.
Cleared the game on Hard difficulty.
Cleared the game on Hard difficulty without using continues (Chapter Select is not allowed.)
Cleared the game on Hard difficulty with less than 50,000 damage taken in total (Chapter Select is not allowed.)
Cleared the game with all mecha on all difficulties.
Skipped every cutscene.
Reached a total score of 100,000,000 pts.
Reached a total score of 500,000,000 pts.
Used Shot to destroy 20,000 enemies and their attacks.
Used Blade to destroy 20,000 enemies and their attacks.
Locked onto 50 targets at the same time.
Earned 500,000 pts by using an EX Attack.
Used the Dash Blade attack to get a x16 multiplier 30 times in total.
Used the Wild EX Attack 10 times.
Destroyed a boss using an EX Attack.
Destroyed Agnesi in Chapter 1 but kept its arms intact.
Destroyed Asymptote Est in Chapter 2 swiftly.
Saw every attack pattern used by Asymptote Est in Chapter 3.
Destroyed Dux's outer shell in Chapter 4 by only attacking from the outside.
Destroyed 30 of Dux's batteries in Chapter 4.
Avoided all of the Lucis capture attacks in Chapter 5.
Used an EX Attack to knock a direct attack from Asymptote Void back in Chapter 5.
Destroyed Asymptote Void and all its parts in Chapter 5.
Destroyed Queen System in Chapter 6 without taking any damage.