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