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