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