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