Here is the full list of all 26 Ar nosurge: Ode to an Unborn Star trophies - there are 6 bronze, 14 silver, 5 gold and 1 platinum.
Purchased all regional Nyuroki at shops.
Reached the end of Ion's Genometrics.
Synthesized many items with Sarly.
Chained a lot in a single battle.
Synthesized many items with Tattoria.
PHASE 2 completed.
Burst a lot in a single battle.
Burst quite a bit in a single battle.
Chained quite a bit in a single battle.
PHASE 1 completed.
Heartlessly refused Ion's request.
Burst a little in a single battle.
Chained a few in a single battle.
Acquired all trophies.
Chatted a lot with Cass in Purification.
Chatted a lot with Ion in Purification.
Synthesized many items with Nay.
Synthesized many items with Kanon.
Succeeded in reviving Prim.
Saw Ion and Nelo off to the Will of Exapico.
Repeatedly installed to breasts in Purification.
Acquired all Friend Skills.
Healed the enemy with "Artificial Flower" Song Magic.
Reached the end of Cass' Genometrics.
Saw the Shurelia ending.
PHASE 3 completed.