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