Unlocking characters in BlazBlue: Entropy Effect is a unique process. Unlike many fighting games, you'll need Prototype Analyzers to add new fighters to your roster (excluding paid DLC characters like Rachel and Hazama). This guide details how to acquire these Analyzers and lists all playable characters.
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You'll receive your first Prototype Analyzer after completing the tutorial. Follow the in-game instructions; you'll find a glowing platform in a room accessible through a passage to the right of the Acer Program room. Interact with the platform to access the character selection menu and choose your first unlock.
Subsequent Prototype Analyzers unlock additional characters via this same platform. Remember, purchased DLC characters are automatically unlocked upon installation.
BlazBlue Entropy Effect: How To Get More Prototype Analyzers
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Earning more Prototype Analyzers in Entropy Effect requires time and dedication. Here are your options:
Story Progression: Completing training missions and progressing through the main story unlocks gray skills. You'll earn a Prototype Analyzer at these milestones:
Note: Unlocking green skills through Potential doesn't reward Analyzers. Currently, only three are obtainable through story progression.
Mind Challenges: Complete Mind Challenges to earn AP (Action Points). You can exchange 5,000 AP with the janitor for a Prototype Analyzer. This is a less frequent method of acquisition.
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BlazBlue Entropy Effect: All Characters
---------------------------------------As of March 2025, BlazBlue: Entropy Effect boasts 12 characters: 10 in the base game and 2 as paid DLC. The base game characters are unlocked using Prototype Analyzers.

A close-range melee fighter whose power increases as his HP decreases. He sacrifices health for buffs and siphons health from opponents.

A melee fighter specializing in sword attacks and ice skills. He can freeze enemies and gain strength buffs with well-timed combos.

A ranged combat specialist who fires missiles and can shorten skill cooldowns. She can also continue casting skills even after her MP reaches zero using Over-Exhaust.

While lacking anti-armor abilities, Taokaka’s versatile build options compensate. Her Spinny Spinny attack builds status effects, making various builds viable.

A tank character; slow but durable with powerful attacks. Successful blocks reduce the MP cost of his skills. He can also be equipped with a midair attack.

Effective in both close and long-range combat. She boasts powerful attacks and skills that inflict continuous damage.

Often considered weaker, requiring careful management of lasers and crowd control for effective gameplay. A damage-over-time build is often recommended.

Excels at evasion and crowd control. While not the strongest, his ability to avoid damage is a significant advantage.

Exceptionally powerful, even without unlocked potentials. She boasts counterattacks, evasion, mid-air combos, and crowd control.

High skill ceiling character; mastering her combos is key to maximizing her damage and mobility.

An extremely powerful character with high speed, resettable dodges, and wide-area abilities. She possesses a nearly unavoidable stun attack.

A strategically demanding character with powerful, but complex, input-heavy moves. Requires skill and practice to master.
This concludes our guide to unlocking characters in BlazBlue: Entropy Effect. Enjoy the game!
BlazBlue: Entropy Effect is available now on PC.