Here is the full list of all 15 Alwa's Awakening achievements.
Finish the game in less than 120 minutes and with less than 5 deaths
Defeat Vicious Keeper in less than 10 seconds
Defeat Crimson Guardian before any other bosses
Complete the game
Gather all the blue orbs
Find all the items
Defeat The Beholder
Find all the pieces of the broken tablet
Find the hidden tomb
Find the book of Sutter
Rescue somone who needs your help
Defeat the Crimson Guardian
Defeat Sea Monk
Defeat Vicious Keeper
Discover the potential of the magic staff