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