Here is the full list of all 43 BlazBlue Entropy Effect achievements.
Having selected all Generic Tactics.
Having selected all Blade Tactics.
Having selected all Umbra Tactics.
Having selected all Fire Tactics.
Complete round 3 in a [Mind Challenge].
Having selected all Toxin Tactics.
Having selected all Light Tactics.
Obtain a [Potential] in [Sortitio Space].
Spend 20000 Exchange Points at [Exchange Space] in total.
Having selected all Electricity Tactics.
Obtain [Better Luck Next Time] in [Sortitio Space].
Have selected 100 unique Potentials
Defeat 100 Elite Samples in total.
Upgrade your mind to Lv.60.
Reach the end of the story.
As Kokonoe, lose to Arakune.
Complete Space Omega with at least 50 Entropy.
Complete [Mind Training] without spending Exchange Points.
Having selected all Ice Tactics.
Choose 10 unique Entropy Effects in a single Mind Training run.
Having selected 200 unique Tactics
As Ragna, defeat Susanoo.
Complete any phase of [Mind Training] without taking damage.
Unlock 7 Prototypes.
As Hakumen, lose to Susanoo.
Access [Sortitio Space] 5 times in a single [Mind Training] session.
Implant 6 Mind Crystals.
Complete [Mind Training] without inheriting abilities from your Evotypes.
Having selected 100 unique Tactics
Have selected 50 unique Potentials
Defeat the Elite Sample in [Space Omega] for the first time.
Complete [Space Omega].
The best Evotype Rating reaches 900.
Complete [Mind Training] with 7 Potentials equipped.
Complete round 1 in a [Mind Challenge].
Complete round 2 in a [Mind Challenge].
Complete [Sakura City] for the first time.
Complete [Ruins] for the first time.
Play [Mind Training] with 2 Legacy Skills equipped.
Get a Phenomenon Fragment for the first time.
Carry more than 300 Exchange Points when [Mind Training] is over.
Complete [Research Base] for the first time.
Complete [Night City] for the first time.