Honkai Star Rail 4.3 Banner Leaks: Fate/Stay Night Collab, SP Blade (Mortenax Blade)

The Honkai: Star Rail community is currently buzzing with a massive wave of early leaks regarding the upcoming Version 4.3 update. Between the highly anticipated Fate/Stay Night crossover and the arrival of a brand-new SP variant for the fan-favorite character Blade, 4.3 is shaping up to be an absolute highlight of the game's timeline. Whether you are saving up your Stellar Jades or planning your future team comps, we have summarized all the essential intel you need to know about the Honkai Star Rail 4.3 era.

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Honkai: Star Rail 4.3 Version Overview

While official details are still pending, the Version 4.3 update is expected to center on the monumental Fate/Stay Night [Unlimited Blade Works] Collaboration (Part 2). This version marks a peak in crossover storytelling, bringing iconic characters like Gilgamesh and Rin Tohsaka into the Star Rail universe. Sharp-eyed players have noted that the dev schedule for 4.3 is heavily skewed towards this collaboration, making it one of the most anticipated updates in the game's history.

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System & Event Optimizations

• Transformation Visuals: With the introduction of multi-form characters like SP Blade, developers are reportedly optimizing the engine to handle seamless in-battle model swaps and enhanced particle effects.
• F2P Goodie Alert: To celebrate the Fate collaboration, insiders suggest a massive "Log-in" event. While the exact count of Star Rail Special Passes is currently unknown, historical crossover events suggest a generous distribution of resources to help players secure limited-time units.

Banner Release Date and Schedule

Based on current community pacing and the logic of major crossovers, the 4.3 banner schedule is expected to feature a mix of collab-exclusive and standard "SP" banners. Each phase is projected to last approximately 21 days.

Honkai: Star Rail 4.3 Banner Leaks

To help you manage your resources, I’ve distilled the most anticipated leaks regarding the upcoming 4.3 roster. The heavyweight characters for this version are as follows:

• SP Blade (Mortenax Blade):
  • Element: Fire
  • Path: Nihility
  • Role: Support/DPS Hybrid
• Fate/Stay Night Collab Units:
  • Gilgamesh: Path & Element TBD
  • Rin Tohsaka: Path & Element TBD

New Characters in Honkai: Star Rail 4.3

1. SP Blade (Mortenax Blade)

• Mechanics Breakdown: SP Blade features a unique dual-form stance-change mechanic (codename "Cyrene"). Upon casting his first Ultimate, he transforms into a formal outfit state and gains access to a second Ultimate. This form focuses heavily on the Follow-up Attack (FuA) ecosystem and debuff application.
• Combat Evaluation: He is designed as a "Power Budget" core for the 4.X meta. In his base form, he acts as a universal support, but his transformed state concentrates the team's entire damage output into a single, devastating nuke. He is expected to be the premier centerpiece for FuA-centric speedrunning.

2. Fate Collab Units (Gilgamesh & Rin)

Right now, specific skill modules for the collab units are being kept under tight wraps. Early rumors suggest Gilgamesh will be a heavy DPS, while Rin Tohsaka might act as a flexible enabler/support. As soon as new datamined info regarding their actual kits drops, I will update this article immediately.

New Weapons in 4.3 (Signature Light Cones)

Regarding the Light Cone Banners, reliable leakers have provided the following directions for SP Blade's signature equipment:

SP Blade’s Signature Light Cone:

• Passive Stats: Likely provides a percentage boost to DMG when attacking enemies with specific debuffs.
• Transformation Synergy: Grants a massive ATK or Crit DMG bonus during the enhanced state following his transformation.
• Status Bonus: Triggers an additional independent multiplier when attacking enemies in a "Staggered" or "Electrified" state (synergizing with his Nihility path).

Fate Collab Weapons: Since the weapon types for Gilgamesh (Gate of Babylon) and Rin haven't been finalized as traditional Light Cones yet, we recommend a "wait-and-see" approach for these banners.

Should You Pull in 4.3?

Don't pull blindly; consider your current roster and meta goals:

1. If you are a Follow-up Attack (FuA) Main: Pull SP Blade without hesitation. His "Power Budget" mechanics suggest he will be future-proof for several versions, serving as both a buffer and a top-tier damage dealer.
2. If you are a Collector: The Fate/Stay Night characters (Gilgamesh/Rin) are the absolute priority. Collab units are historically the rarest in gacha games and may never see a rerun.
3. Waifu/Husbando Pullers: If you’ve been waiting for Blade to return in his rumored "formal suit" (正装) variant, this is your moment. His visual effects are reportedly the most spectacular seen in the game to date.

Honkai: Star Rail 4.3 FAQ

Q: Will the Fate collab characters be permanent?
A: No. Historically, collab characters are limited-time only and will not enter the standard Stellar Warp pool.

Q: Why is SP Blade Nihility instead of Destruction?
A: Leaks suggest this shift allows him to provide team-wide utility (supporting the FuA team's "Power Budget") while still maintaining high personal DPS through his transformation.

Conclusion

In summary, the upcoming Honkai: Star Rail 4.3 version is undeniably a turning point—a massive carnival for both meta players and anime fans. Between the arrival of the King of Heroes, Gilgamesh, and the game-breaking transformation mechanics of SP Blade (Mortenax Blade), Version 4.3 is destined to be a high-water mark for the game's evolution. Start saving your Stellar Jades now!

Disclaimer: All information regarding Honkai Star Rail 4.3 is based on early leaks and data. HoYoverse frequently adjusts character kits, names, and release schedules prior to official announcements.