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