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