Honkai Star Rail 4.5 Guide: Double Drops and 90-Pull Pity
Version 4.5, "Wager of a Thousand Stars," launched after maintenance on August 26, 2026 and runs to September 28 at 06:00. The first half featured the limited five-star Robin: Summer Song (Wind, Memory path) with her signature light cone plus a Hyacine rerun. The second half opened September 12 with Aventurine: Wavechaser, the light cone "Cast a Wave of Summer," and a Dr. Ratio rerun. Version activities include the racing event Hyper: Grand Prix, the casual Square Adventure, a Divergent Universe update, double drops for Dimension Split and Realm of the Strange, and accelerated dialogue playback.
Honkai Star Rail 4.5 Overview: Timeline, Banners and Compensation
4.5 is a story version where the Trailblazer travels to Thousand Stars City, an IPC stronghold, to seek aid for the endangered Two-Phase Paradise.
Version timeline and banner order
The version runs August 26 to September 28 at 06:00. The first half ran Robin: Summer Song with the light cone "You Shall Rise and Sing" plus a Hyacine rerun. The second half opened September 12 with Aventurine: Wavechaser, the light cone "Cast a Wave of Summer," and a Dr. Ratio rerun . As of September 21, the second half is the only live limited banner left.
Compensation and claim window
Maintenance compensation is 300 Stellar Jade and bug-fix compensation is another 300, for 600 total. It is available to accounts at Trailblaze Level 4 or above before August 26 at 06:00 and claimable until the version ends. It lands in your mailbox, so claim it before September 28.
Honkai Star Rail 4.5 Flower of Rebirth: Double-Drop Math
The Flower of Rebirth double event is the highest-value activity in 4.5 by a wide margin.
Exact drop numbers
During the event, Golden Flower at difficulty IV gives 4 to 6 Traveler Guides per 20 Trailblaze Power versus 2 to 3 normally. Credits per clear run 50,000 to 80,000 versus 25,000 to 40,000. Crimson Flower at Equilibrium Level 6 gives 4 to 6 advanced Trace materials versus 2 to 3, with Equilibrium 6 unlocking at Trailblaze Level 65 or above. Quantities double, the drop mechanics do not change.
How to spend Trailblaze Power
At 10 power per run, hitting the daily 12-run cap costs 120 Trailblaze Power, while natural regeneration is 240 per day at one point every 6 minutes, so two logins cover the cap. Priority: Crimson Flower for Trace materials, then Golden Flower for character EXP, then credits. Flower of Rebirth historically returns every 6 to 8 weeks, so missing this window means a two-month wait.
Honkai Star Rail 4.5 Second Half Banners: Aventurine and Dr. Ratio
The two second-half units do different jobs, so the decision depends on your existing teams.
Aventurine: Wavechaser fit
Aventurine: Wavechaser is a limited five-star built as an Elation-path offensive unit whose value depends heavily on follow-up attacks and high-frequency teammates. Accounts that already own Elation components or follow-up cores gain the most, and without those pieces his output drops noticeably. Treat E0 as the safe ceiling.
Dr. Ratio rerun value
Dr. Ratio returns in the second half . Reruns serve different account types: veteran accounts are filling system gaps, new accounts are buying a first main DPS. If your follow-up team already works, Dr. Ratio is a component. A brand-new account should prioritise a character who can lead a team alone.
Honkai Star Rail 4.5 Pull Math: 90-Pull Hard Pity and Pass Costs
Budget by mechanics, not by feel.
Pity numbers
The limited character banner has a 0.6% base five-star rate, soft pity around pull 74, and hard pity at 90. The first five-star is a 50/50 for the featured character, and a loss guarantees the featured character next. Limited character and light cone banners require Star Rail Passes, while the standard banner uses its own tickets, which is the most common returning-player mistake.
Jade conversion and budget
Oneiric Shards convert to Stellar Jade at 1:1, and 160 Stellar Jade equals one Star Rail Pass. Plan for 100 to 130 pulls, roughly 16,000 to 20,000 Stellar Jade, to cover a worst-case 50/50 loss. The 600 Stellar Jade in update compensation shaves a little off that gap.
Honkai Star Rail 4.5 Follow-Up Teams: Elation Shells
Follow-up shells depend on reliably triggering extra attacks, so teammate synergy matters more than the power of any single unit.
| Team | Members | Roles | Conditions |
|---|---|---|---|
| Elation main DPS | Aventurine: Wavechaser + follow-up trigger + buffer + sustain | Main DPS eats Elation and follow-up buffs, trigger finishes kills | You already own Elation components |
| Follow-up patch | Dr. Ratio + follow-up core + buffer + sustain | Dr. Ratio fills the missing component | Follow-up team is built except one slot |
| Generalist bridge | Version main DPS + buffer + healer + shielder | Clear the three endgame modes first | Incomplete roster, tight budget |
Relic and stat direction
Follow-up DPS units generally want crit rate, crit damage, attack percent and speed. Speed thresholds decide whether you land an extra follow-up in a key turn, which matters more in practice than stacking attack. Confirm exact thresholds with post-launch testing.
Activity priority for the final week
Clear the limited rewards from Hyper: Grand Prix and Square Adventure first, then spend the Divergent Universe double charges. Accelerated dialogue playback shipped in 4.5, which makes catching up on story noticeably faster .
Honkai Star Rail 4.5 Final-Week Planning: Jade and Power
One week is enough to clear the activity rewards, so the real risk is splitting Jade across two banners you cannot finish.
Jade allocation
Decide whether your account lacks a main DPS or a system component: main DPS means Aventurine: Wavechaser, component means Dr. Ratio. If you want both banners, fully fund one instead of half-funding two, since hard pity at 90 pulls costs roughly 14,400 Stellar Jade.
Trailblaze Power allocation
Flower of Rebirth first, then Trace nodes your characters actually need. The empty stretch after the event is the time to stock credits, because credit demand never falls .
Honkai Star Rail 4.5 FAQ
Q: When does Honkai Star Rail 4.5 end?
A: September 28, 2026 at 06:00, leaving under a week from September 21.
Q: How much does the Flower of Rebirth double event give?
A: Golden Flower goes from 2 to 3 Traveler Guides to 4 to 6 per 20 power, and credits from 25,000 to 40,000 up to 50,000 to 80,000.
Q: Is Aventurine: Wavechaser fine at E0?
A: Yes. His value depends on Elation and follow-up teammates, so finishing the team beats stacking copies.
Q: How many pulls for guaranteed pity?
A: Soft pity around 74, hard pity at 90, with a 50/50 first pull. Budget 100 to 130 pulls, or 16,000 to 20,000 Stellar Jade.
Q: How long do I have to claim the compensation?
A: Both 300-Stellar Jade compensation mail items expire when version 4.5 ends on September 28 at 06:00.
Come discuss in the Gghubs comments.
Honkai Star Rail 4.5 Action Checklist
- Claim the 600 Stellar Jade in your mailbox before September 28 at 06:00.
- Spend Trailblaze Power on Crimson Flower first, then Golden Flower, then credits.
- Clear Hyper: Grand Prix and Square Adventure limited rewards, then Divergent Universe doubles.
- Decide whether you need a main DPS or a follow-up component before pulling.
- Check your budget at 160 Stellar Jade per pass and leave room for a 50/50 loss.