Here is the full list of all 53 CONVERGENCE: A League of Legends Story achievements.
Wear the Inx Chroma in the Inx Theater.
Return 12 Clockwork Champions to Corin.
Defeat Future Ekko in the Clocktower.
Explore the entire Map.
Defeat Syntixi Zarkon.
Find and open all chests in the game.
Find and open every chest in the Fairgrounds.
Learn 11 Skills from Rungs.
Find and open every chest in the Cultivair.
Find and open every chest on the Chaincrawler.
Unlock 10 Chromas and Z-Trails at Elie's Shop.
Find and open every chest in Factorywood.
Find and open every chest in the Entresol.
Defeat Jinx.
Find and open every chest in the Inx Theater.
Grind for a total of 180 seconds.
Return 6 Clockwork Champions to Corin.
Defeat Future Ekko on the Chaincrawler.
Catch 4 Scrambots.
Defeat Drake and Vale.
Defeat Camille.
Get hit by an attack, Rewind, then Parry that same attack.
Parry enemy attacks a total of 50 times.
Find and open every chest in the Sump Sewers.
Learn 5 Skills from Rungs.
Complete the Lacuna.
Choose to give Clovemary to Inna.
Fight The Watcher.
Defeat Warwick.
Use Phase Dive to go through a Chempunk Smasher's energy barrier attack.
Defeat Drake.
Defeat 3 enemies with a single Timewinder throw.
Defeat Zarkon Poingdestre.
Parry an attack from a Boss.
Use Parallel Convergence to simultaneously slow down 5 projectiles.
Defeat Future Ekko in the Courtyard.
Recover 30 health by rewinding damage taken.
Temporal Pulse an enemy into Parallel Convergence, then Phase Dive them.
Defeat 3 enemies with a single Chronobreak.
Unlock 20 Chromas and Z-Trails at Elie's Shop.
Look at the family portrait up close in Ekko's family apartment.
Craft all Gadgets at the Workbench.
Craft 10 Gadgets at the Workbench.
Choose to give Hexlock to Inna.
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.
Return 8 Scrambot artifacts to Aximander.
Complete the game in under 6 hours.
Choose to give Syron to Inna.
Defeat a total of 20 enemies with Temporal Pulse.
Don't ever fight the Watcher in the Lacuna.