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