Anime Story 2 Update 2.25 may be labeled as a mini update, but it introduces several major features that can significantly impact progression. Players now have access to a completely new Boss Attack game mode, a new Category Tower challenge, additional Obito Dimension stages, two new units, and an evolution for Yuji Itadori.
Whether you’re a new player trying to understand the update or a veteran looking for the fastest way to unlock the new content, this guide covers everything added in Update 2.25.
Anime Story 2 Update 2.25 Guide – Unlock All New Units, Codes
The update introduces:
- New Boss Attack game mode
- New Category Tower
- New Obito Dimension stages
- New unit: Denji (Chainsaw)
- New unit: Killer Bee (Eight-Tails)
- New evolution for Yuji Itadori
- Multiple reward codes
- Additional rerolls, gems, and progression rewards
The update focuses heavily on giving players new endgame content while also providing a beginner-friendly evolution path through Yuji.
All Working Update 2.25 Codes
Before starting any of the new content, redeem the available update codes for free resources.
DenjiShare
Rewards:
- 2 Lucky Potions
- 50 Mythical Orbs
- Trade Rerolls
This code is especially useful for players planning to summon for new units or improve existing characters.
SorryForDelay
Rewards:
- 250 Rolls
This is one of the best codes in the update because rolls are always valuable regardless of progression level.
2.25
Rewards:
- 30,000 Gems
- 150 Rerolls
The gem reward alone makes this code worth redeeming immediately.
MiniAdminAbuse
Released shortly after the update.
Rewards may vary depending on future adjustments, so redeem it as soon as possible.
New Boss Attack Mode Explained
One of the biggest additions in Update 2.25 is Boss Attack Mode.
At first glance, the mode resembles Tower mode, but there is one major difference.
Instead of fighting waves filled with multiple enemies, players battle a single boss that becomes progressively stronger over time.
Think of it as endless boss battles rather than endless enemy waves.
How Boss Attack Works
The mode consists of:
- Endless scaling bosses
- Increasing health pools
- Increasing damage values
- Higher difficulty at later stages
- Boss-focused team building
Since there is only one target, units that excel against single enemies become significantly stronger than they are in traditional modes.
Best Units for Boss Attack Mode
Because there is only one enemy on the field, some units become dramatically more valuable.
Dio
Dio is arguably one of the strongest units for Boss Attack.
Reasons:
- Excellent single-target damage
- Strong scaling
- Consistent boss-killing potential
Players who already invested heavily into Dio will likely see immediate success in this mode.
Aizen
Aizen remains powerful despite being popular in other game modes.
Advantages include:
- Strong DPS
- Reliable crowd control
- Consistent performance during long fights
Even though Boss Attack only contains one enemy, Aizen’s damage output remains competitive.
Madara
Madara is traditionally known for AoE damage, but his massive damage scaling still allows him to perform extremely well.
His percentage-based damage boosts make him valuable regardless of enemy count.
Rukia
Many players overlook Rukia.
However, her Frostbite mechanics provide:
- Additional damage
- Utility
- Strong synergy with relics
She can become one of the highest-performing support DPS units in long boss encounters.
Julius
Julius offers several advantages:
- Stuns
- Team utility
- Revive support
The ability to keep your team alive becomes increasingly important at higher levels.
Jiraiya
Jiraiya’s resurrection abilities provide tremendous value.
Longer runs become much easier when important units can return after being defeated.
Gaara
Gaara may become one of the strongest defensive units in Boss Attack.
His damage reduction effects allow teams to survive significantly longer against scaling bosses.
Boss Attack Team Building Tips
Prioritize Single Target Damage
Many players make the mistake of bringing wave-clear units.
Boss Attack focuses entirely on one enemy.
Choose units that excel against individual targets.
Balance Damage and Survival
The highest DPS team is not always the best team.
Consider including:
- Revive units
- Defensive supports
- Stun units
- Damage amplification characters
Don’t Ignore Debuffs
Damage amplification effects become increasingly important during longer boss encounters.
Even a small percentage increase can translate into millions of extra damage over time.
New Category Tower Explained
Another major addition is the Category Tower.
This tower functions similarly to existing Tower content but includes category restrictions.
For the first version, only specific categories can participate.
Current Category Restrictions
The initial Category Tower focuses on:
- Ninja Units
- Uchiha Units
Only units belonging to these categories can be deployed.
This restriction encourages players to build specialized teams rather than relying on the same meta lineup for every activity.
Tower Structure
The Category Tower includes:
- Up to 500 floors
- Progressive difficulty scaling
- Special rewards
- Exclusive unit drops
Players can repeatedly challenge the tower to improve rewards and progression.
Best Units for Category Tower
Since Ninja and Uchiha categories dominate the tower, Naruto-themed units become the core of most teams.
Madara
Madara is arguably the strongest option available.
Benefits include:
- Massive damage
- Strong scaling
- Excellent boss performance
- Effective wave clearing
Many players will build their entire tower strategy around Madara.
Obito
Obito performs well due to:
- Strong damage
- Utility
- Good scaling
While not always the top damage dealer, he remains a valuable team member.
Itachi
Itachi offers consistent performance and fits naturally into Uchiha-focused teams.
Sasuke
Sasuke may become one of the most underrated units in the update.
His mechanics include:
- High single-target damage
- Strong survivability
- Dodge-related effects
This makes him particularly effective against powerful enemies.
Gaara
Gaara’s defensive abilities once again make him valuable.
Damage reduction becomes increasingly important on higher floors.
Category Tower Rewards
The tower rewards players with:
- Rolls
- Gems
- Coins
- Exclusive Units
- Potential shiny versions
Rewards improve significantly at higher floors.
Players should attempt to push as far as possible whenever the tower resets.
How to Get Denji (Chainsaw)
One of the most exciting additions in Update 2.25 is Denji.
In-game, he appears under the Chainsaw unit name.
How to Unlock Denji
Denji is obtained through Boss Attack Mode.
Players must progress through the mode and reach milestone floors.
Floor 100 appears to be one of the primary unlock points.
After clearing the required floor, players have a chance to obtain Denji.
Can Denji Be Shiny?
At launch, information regarding shiny acquisition remained unclear.
Players should verify current rates before investing large amounts of time farming additional floors.
If shiny versions are obtainable, waiting for confirmation before excessive grinding may be the most efficient strategy.
Denji Passive Explained
Denji introduces powerful bleed-based mechanics.
Carnage Ability
While alive, Denji provides several team-wide benefits.
Effects include:
- Doubled bleed damage from allies
- Increased damage against bleeding enemies
- Additional vulnerability effects
- Bonus damage when multiple debuffs are active
How to Get Killer Bee
The second major unit added in Update 2.25 is Killer Bee.
Although some update notes incorrectly reference him as Seven-Tails, the character is based on the Eight-Tails Jinchuriki.
Unlock Method
Killer Bee is obtained through the Category Tower.
Players must clear tower progression using Ninja and Uchiha units.
As players advance through tower floors, they gain opportunities to unlock Killer Bee.
Yuji Itadori Evolution Guide
Update 2.25 also introduces a new evolution for Yuji.
This evolution is designed to be beginner-friendly while still offering strong performance.
Evolved Yuji Abilities
Yuji gains access to Black Flash mechanics.
Black Flash System
The evolution introduces:
- Guaranteed critical Black Flash opportunities
- Chaining Black Flashes
- Increased critical consistency
- Higher overall damage potential
Every successful Black Flash increases the chance of triggering another one.
Failing to chain the attack resets the bonus.
New Obito Dimension Stages
Update 2.25 expands Obito Dimension content with ten additional stages.
The system functions similarly to challenge content found in other anime games.
New Stage Types
Examples include:
- Water Heroes
- Water Villains
- Other element-based restrictions
These stages encourage players to build specialized teams rather than relying on a single overpowered lineup.
Extreme Battle Assault
The update also expands Extreme Battle Assault content.
This mode introduces increasingly difficult challenges that test roster depth and team-building knowledge.