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