Here is the full list of all 27 Capsella The Lights of Lucern achievements.
Has found an Elemental Orb.
Has started a stage with the consumable inventory full.
Has found 50 chests.
Has used potions 100 times.
Has used the right element against a boss.
Has failed 10 times the upgrade process.
Has upgraded an item to +5.
Has enhanced an item to the level 55.
Has enhanced a Gem to the tier 10.
Has found a Gems Combo.
Has found all Gems Combos.
Has performed a combo with at least 10 hits.
Has performed a combo with at least 50 Hits.
Has purified the first Link Crystal.
Has purified all of Lucern's Link Crystals.
Has activated the Capsella Power 10 times.
Has completed the Manual.
Has found information about all items.
Has found all Monster Pages.
Has started a co-op session.
Has defeated a boss during a co-op session.
Has finished the game during a co-op session.
Has reached level 50 with all heroes.
Has reached level 5 with any Technic.
Has reached level 5 with all Technics.
Has completely developed a hero Focus.
Has reset the Focus tree at least 5 times.