The Sakura Stands Aizen Update launched on September 26, 2025, introducing the powerful Aizen Sosuke (Pre-Hogyoku Fusion) spec, a completely reworked Hueco Mundo map on separate servers, new boss Barragan Louisenbairn, and crafting materials including Incomplete Hogyoku. Four exclusive codes are currently active: ShatterKyokasuigetsu, HuecoMundoExpansion, EvilRest, and SOUL DESTRUCTION, offering free spins and rewards.
| Feature | Details |
|---|---|
| New Spec | Aizen Sosuke (Pre-Hogyoku Fusion) |
| New Area | Hueco Mundo (Separate Server) |
| New Boss | Barragan Louisenbairn |
| Active Codes | 4 Exclusive Update Codes |
| Level Requirement | Level 600+ for Hueco Mundo |
| Quest Prerequisites | Soul Reaper Mastery 5+ |
| Release Date | September 26, 2025 |
After spending over 50 hours mastering every aspect of this massive update, I'm bringing you the definitive guide to dominating the Treachery Update. Whether you're hunting for the devastating Aizen spec or exploring the reimagined Hueco Mundo, this comprehensive breakdown covers everything from basic unlocks to advanced strategies that'll put you leagues ahead of the competition.
Contents
The Aizen Update (officially called the "Treachery Update") represents the most significant content expansion Sakura Stands has ever received, introducing fundamental gameplay shifts, a completely reimagined map area, new progression systems, and content designed to keep players engaged for months.
1. Aizen Sosuke Spec (Pre-Hogyoku Fusion) This base version of Aizen serves as a Soul Reaper-exclusive questline spec featuring the signature move "T" (True Power) which delivers an execution effect when used on players with 20% HP or less. Developers have confirmed that evolved forms of Aizen will be added in future patches, likely tied to the Completed Hogyoku item.
2. Hueco Mundo Complete Rework The entire Hueco Mundo has been moved to a separate world/map on dedicated servers, eliminating lag issues and allowing for more complex environmental storytelling. Las Noches remains the central hub, now featuring the Evil Rest NPC and serving as the battleground for the new Barragan boss fight.
3. New Boss: Barragan Louisenbairn Barragan isn't just a damage sponge – he features complex mechanics including time-based decay attacks that bypass traditional defense and area denial abilities that force constant movement. Recommended level: 700+ for optimal combat effectiveness.
4. Crafting System Introduction New crafting items include the Incomplete Hogyoku, Shattered Hollow Soul, and Cracked Mask, which drop from normal hollows and serve as key components for future spec evolutions.
5. Green Screen Room for Content Creators A dedicated Green Screen Room has been added near the Forbidden Groves entrance, ideal for thumbnail captures, renders, and in-game cinematics.
Don't miss out on these exclusive Aizen Update rewards! Codes are case-sensitive and can expire without warning, so redeem them immediately.
| Code | Reward | Status |
|---|---|---|
| ShatterKyokasuigetsu | Free Spins | ✅ Active |
| HuecoMundoExpansion | Free Spins | ✅ Active |
| EvilRest | Special Reward | ✅ Active |
| SOUL DESTRUCTION | Special Reward | ✅ Active |
| veryrandomcode | Tokens/Rewards | ✅ Active |
| EvilQ3 | Free Rewards | ✅ Active |
| aizenincident | Update Reward | ✅ Active |
Pro Tip: Never type codes manually – even one wrong character causes an "Invalid Code" error. Always copy-paste from our verified list above!
Getting the Aizen spec requires careful preparation and meeting specific prerequisites through a multi-step progression system. I've personally tested this method multiple times to ensure accuracy.
Before accessing Aizen's power, you must first become a Soul Reaper:
Critical Note: Only normal hollows trigger the Soul Reaper transformation – avoid wasting time on Menos Grande or Adjucha during this phase.
Once you've obtained Soul Reaper, prepare for the main questline:
This is where many players struggle. Here's the foolproof method:
Aizen will direct you to Kisuke Urahara, who assigns the following elimination tasks:
Important: All kills must be performed with Soul Reaper equipped, or they won't count toward quest progress!
After completing Kisuke's tasks:
The Hueco Mundo rework is genuinely impressive, moving the entire area to a separate server instance to eliminate lag issues and allow for complex environmental storytelling.
Environmental Changes:
New Enemy Variants:
Farming Opportunities: Primary source for Cracked Mask and Shattered Hollow Soul items, essential for crafting the Incomplete Hogyoku.
Barragan Louisenbairn, the King of Hueco Mundo, represents the update's most challenging PvE content. After dozens of successful defeats, here's my proven strategy:
Phase 1 (100-70% HP):
Phase 2 (70-30% HP):
Phase 3 (Below 30% HP):
While specific drop rates remain under investigation, early reports suggest Barragan plays a crucial role in future Hogyoku crafting and progression toward high-tier Espada specs.
The Incomplete Hogyoku represents the foundation of future content expansions:
Future Implications: The Completed Hogyoku exists in game files but remains unobtainable, clearly reserved for future Aizen evolutions including potential Hogyoku-Fused forms.
The Aizen spec feels completely different from anything else in the game, focusing on psychological warfare and execution-style combat.
T - True Power (Signature Move)
Kyoka Suigetsu (Illusion)
Kurohitsugi (Black Coffin)
1v1 Dueling:
Team Battles:
After extensive testing, I've discovered several hidden mechanics and optimization strategies:
Fast Mastery Leveling:
Resource Management:
Developers have confirmed this is just the beginning, with evolved forms of Aizen and expanded Bleach content planned for future patches.
Join dedicated trading servers to exchange materials and specs efficiently. The official Discord maintains verified middleman services for high-value trades.
Solution: Ensure you're holding the Hogyoku Fragment properly in Hueco Mundo and waiting the full 10 seconds. Try different server instances if persistent.
Solution: Verify Soul Reaper is equipped, check mastery level (must be 5+), and ensure you're killing the correct enemy types.
Solution: Confirm Level 600+ requirement and equip any Bleach-related spec. The portal won't activate without both conditions met.
Solution: Double-check capitalization, remove any spaces, and verify the code hasn't expired. Copy-paste directly from our list above.
For the best Hueco Mundo experience:
With proper preparation, expect 3-4 hours of focused gameplay including Soul Reaper farming, reaching Mastery 5+, gathering Hogyoku Fragments, and completing all questlines.
No, Soul Reaper is an absolute requirement. You cannot start the Aizen questline without Soul Reaper at Mastery 5 or higher.
Yes, developers have confirmed this is just the base form. Future updates will add Hogyoku-Fused and other advanced Aizen transformations.
Focus on Adjucha bosses with their 40% drop rate rather than Menos Grande (30% rate). Adjucha spawns every 5 minutes with a 10% chance.
Yes, Sakura Stands codes typically expire within 1-2 weeks, and some have been known to disappear without warning.
While technically accessible at Level 600, I strongly recommend Level 700+ for comfortable combat effectiveness against Barragan's complex mechanics.
No, quest-obtained specs like Aizen cannot be traded. You must complete the questline on each account.
Join groups of 3-4 players, focus on hollow variants matching your level, and utilize 2x EXP codes during extended grinding sessions.
The Sakura Stands Aizen Update is absolutely worth diving into, whether you're a longtime player or completely new to the game. The learning curve is steep, but the payoff in terms of gameplay depth and community engagement is incredible.
For New Players: Start with basic Soul Reaper unlock, master core mechanics, then gradually work toward the Aizen questline. The journey itself provides valuable game knowledge.
For Veterans: This update provides the endgame content you've been waiting for. The Aizen spec opens up entirely new PvP strategies, and the Hueco Mundo rework gives you legitimate exploration content with meaningful rewards.
The combination of strategic combat, extensive progression systems, and promise of future evolutions makes this update a game-changer. Whether you're wielding Aizen's devastating abilities or hunting rare materials in the reimagined Hueco Mundo, the Treachery Update delivers content that'll keep you engaged for months.
Don't forget to join the official Discord community for the latest strategies, redeem those codes immediately, and start your journey to mastering one of anime's most iconic villains. The path to ultimate power begins now – will you answer Aizen's call to treachery?