Here is the full list of all 17 Last Inua achievements.
Keep the darkness away.
Defeat an enemy
Teleport through at least 7 unique teleport points in a row
Warm yourself at a fire after nearly freezing
Complete any 5 scenes without dying
Reach the Trinity temple
Reach the Raven temple
Reach the Bear temple
Reach the Narwhal temple
Defeat 7 unique enemies in a single playthrough
Complete any 10 scenes without dying
Finish the game without dying more than 3 times
Finish the game in under 2 hours
Escape the from the Tonrar's attack
Find and collect a spirit rune
Find and collect 50% of all spirit runes
Find and collect all spirit runes