Here is the full list of all 47 BLUE REFLECTION / BLUE REFLECTION achievements.
Congratulations! You have unlocked all achievements.
Completed Chapter 12.
Defeated Daath by Reflect Counter.
Defeated Yesod by Reflect Counter.
Completed Chapter 11.
Created all items.
Reached at a maximal Reflector level.
Completed Chapter 10.
Defeated Tiphereth by Reflect Counter.
Completed Sarasa's Bond Episodes.
Completed Chapter 9.
Defeated Cochma by Reflect Counter.
Completed Chapter 8.
Completed Mao's Bond Episodes.
Completed Yuri's Bond Episodes.
Completed Rika's Bond Episodes.
Completed Kaori's Bond Episodes.
Completed Fumio's Bond Episodes.
Completed Chihiro's Bond Episodes.
Completed Shihori's Bond Episodes.
Completed Ako's Bond Episodes.
Completed Kei's Bond Episodes.
Collected 50 Fragments.
Completed Rin's Bond Episodes.
Completed Sanae's Bond Episodes.
Defeated Netzach by Reflect Counter.
Completed Yuri's Intermission.
Enjoyed chatting a great many times.
Enhanced a Fragment to the maximum.
Completed Chapter 7.
Completed Chapter 6.
Succeeded in 50 Missions.
Completed Kaori and Rika's Intermission.
Completed Fumio's Intermission.
Collected 25 Fragments.
Created a first item.
Completed Chapter 5.
Succeeded in 25 Missions.
Completed Shihori's Intermission.
Completed Chapter 4.
Completed Kei's Intermission.
Succeeded in a first Mission.
Tamed the petite dark monster in "Dark Cave".
Completed Chapter 3.
Completed Chapter 2.
Completed Chapter 1.
Got a Fragment for the first time.