Here is the full list of all 35 Blades of Time achievements.
Use Dash 30 times without touching the ground.
Win any Outbreak match.
Kill each Outbreak boss at least once.
Kill 1000 enemies in total.
Finish the game on any difficulty level.
Ayumi receives her Dragon form.
Find all the notes.
Use Counterattack 100 times.
Find all the chests in story mode on the Normal difficulty level.
Kill the Vicar of Chaos.
Kill Brutal Maul without being frozen by his shockwave.
Leave the Sky Islands.
Find half the notes.
Defeat Giant Worm.
Defeat Skyguard Commander.
Find all types of equipment.
Reach the Sanctuary.
Kill the Shaman Boss without taking damage from his massive fire spell.
Kill the Shaman Boss.
Kill 5 enemies at the same time.
Survive Chaos event.
Get the ability to rewind time.
Kill the Gateguard.
Get the ability to dash to enemies.
Get the ability to dash to the corals.
Find the rifle.
Get the ability to gather Chi.
Finish the game on the Hard difficulty level.
Kill 10 enemies at the same time.
Kill an enemy player in an Outbreak match.
Play 5 Outbreak matches.
Find all the chests in story mode on the Hard difficulty level.
Kill 25 heavy enemies using the Time Rewind double attack.
Kill 100 enemies during your Time Rewind Berserk buff.
Shoot off Magic Armor from 50 enemies using Time Rewind clones.