Here is the full list of all 19 Tales of Kenzera: ZAU achievements.
Complete Act 4
Kill 4 enemies with a single Lunar Blast
Unlock all Codex entries
Collect all Echoes
Collect all Trinkets
Complete all Reflections
Complete all Spirit Rituals
Unlock all Spirit Segments
Unlock all Trinket Slots
Upgrade all Skills
Complete Act 3
Unlock all Abilities
Complete Act 2
Survive the Kikiyaon chase
Complete Act 1
Perfect Recharge 10 times
Equip a Trinket
Begin Zau's journey with Kalunga
Kill 4 enemies with a single Supernova