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