Full list of all 52 Ruined King: A League of Legends Story achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Complete 100% of the Bestiary
Complete the story on Story Difficulty
Complete the story on Normal Difficulty
Collect all unlockable Lore entries
View every character dialogue when at Rest points
Enchant 30 Items
Infuse 30 Items
Infuse 10 Rare Items
Acquire all Legendary Weapons
Complete all Baron's Rest Crucible battles
Catch 10 Epic Fish
Catch every type of fish and complete the Fishing Journal
Unlock all alternate Skins for all Champions
Eat 15 Meals at Rest Points
Acquire 1 Legendary Weapon
Catch 100 Fish
Complete all Bounty missions
Pass the Test of Nagakaborous
Reach Level 30 with any Champion
Infuse 10 Epic Items
Collect 5 treasures from Poro Holes
Acquire 100,000 Gold (cumulative)
Complete Windrake Island
Defeat Possessed Gangplank
Defeat Thresh
Unlock all Champion Ultimate Abilities
Unlock an alternate Skin for any Champion
Acquire 200 Black Marks (cumulative)
Return Maokai to full strength
Complete 50% of the Bestiary
Complete 50% of Baron's Rest Crucible battles
Complete 5 Bounty missions
Unlock a Level 3 Ultimate Ability
Collect 50% of the Lore entries
Have Ahri join your Party
Meet Maokai
Have Pyke join your Party
Arrive at the Shadow Isles
Reel in a Treasure cache while fishing
Complete a Bounty mission
Complete 25% of the Bestiary
Consume 50 Potions
Have Miss Fortune join your Party
Cleanse Grey Harbor from Black Mist
Have Yasuo join your Party
Consume 10 Potions
Meet the Rumor Monger
Enchant your first Item
Team up with Braum
Experience visions of Ruined King
Complete the story on Veteran Difficulty
Complete the story on Heroic Difficulty