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