Here is the full list of all 53 CONVERGENCE: A League of Legends Story achievements.
Find and open every chest in the Fairgrounds.
Find and open every chest on the Chaincrawler.
Use Parallel Convergence to simultaneously slow down 5 projectiles.
Find and open every chest in the Cultivair.
Choose to give Hexlock to Inna.
Fight The Watcher.
Defeat Future Ekko in the Courtyard.
Defeat 3 enemies with a single Chronobreak.
Find and open every chest in the Sump Sewers.
Unlock 10 Chromas and Z-Trails at Elie's Shop.
Defeat Future Ekko in the Clocktower.
Defeat Syntixi Zarkon.
Parry enemy attacks a total of 50 times.
Defeat a total of 20 enemies with Temporal Pulse.
Craft 10 Gadgets at the Workbench.
Defeat Jinx.
Defeat 3 enemies with a single Timewinder throw.
Grind for a total of 180 seconds.
Learn 5 Skills from Rungs.
Return 6 Clockwork Champions to Corin.
Defeat Future Ekko on the Chaincrawler.
Defeat Drake and Vale.
Defeat Camille.
Catch 4 Scrambots.
Get hit by an attack, Rewind, then Parry that same attack.
Don't ever fight the Watcher in the Lacuna.
Complete the Lacuna.
Choose to give Clovemary to Inna.
Defeat Warwick.
Defeat Drake.
Defeat Zarkon Poingdestre.
Parry an attack from a Boss.
Recover 30 health by rewinding damage taken.
Temporal Pulse an enemy into Parallel Convergence, then Phase Dive them.
Find and open all chests in the game.
Return 12 Clockwork Champions to Corin.
Unlock 20 Chromas and Z-Trails at Elie's Shop.
Find and open every chest in the Entresol.
Look at the family portrait up close in Ekko's family apartment.
Find and open every chest in Factorywood.
Craft all Gadgets at the Workbench.
Wear the Inx Chroma in the Inx Theater.
Explore the entire Map.
Complete the Sump Sewers without defeating a single Bat, Grub, or Canker.
Complete the game without dying.
Defeat Future Ekko in the Clocktower with no gadgets equipped.
Defeat Camille without using Rewind.
Use Phase Dive to go through a Chempunk Smasher's energy barrier attack.
Return 8 Scrambot artifacts to Aximander.
Learn 11 Skills from Rungs.
Complete the game in under 6 hours.
Choose to give Syron to Inna.
Find and open every chest in the Inx Theater.