Honkai: Star Rail version 4.5 is live
Honkai: Star Rail version 4.5 "To Roll the Stars in Astropolis" is now live following update maintenance that began on 2026/08/26 06:00 (UTC+8). The update introduces new 5-star characters Robin • Summeretto and Aventurine • Waveflair, alongside the Trailblaze Mission "Astropolis — To Roll the Stars in Astropolis".
- New characters:
Robin • Summeretto (5★ 
Remembrance: 
Wind), 
Aventurine • Waveflair (5★ 
Elation: 
Quantum) - 4 new Light Cones
- 3 events
- Compensation:
Stellar Jade ×600 (Server Maintenance Compensation + Bug Compensation)
New characters
Robin • Summeretto
| Rarity | 5★ |
|---|---|
| Element | Remembrance: Wind |
Official description: Robin • Summeretto is a Support character who can summon the memosprite "Summer Songbirds" to assist in combat. She can advance a designated teammate's action and regenerate their Energy, while providing the whole team with various buffs such as ignoring DEF. The more frequently allies take action, the stronger certain buffs provided by Robin • Summeretto become.
Aventurine • Waveflair
| Rarity | 5★ |
|---|---|
| Element | Elation: Quantum |
Official description: Aventurine • Waveflair is a damage-dealing character who works in tandem with the team's attack count and can frequently use his Elation Skill. The team's attacks provide him with "Fervor" and Punchline. Based on his "Fervor," he can use an additional Elation Skill and enhance his next Elation Skill in Aha Instant. When using an enhanced Elation Skill, he consumes "Fervor" to deal more DMG.
New Light Cones
| Light Cone | Rarity | Type |
|---|---|---|
 Rise and Sing | 5★ | Remembrance |
 Summer Rides the Surf | 5★ | Elation |
 A Little Getaway | 4★ | Elation |
 Race to the Horizon | 4★ |  The Hunt |
Event Warps announced so far
| Phase | Event Warp | Boosted 5★ | Dates |
|---|---|---|---|
| I | Summer Chorus | Robin • Summeretto | After the Version 4.5 update – Sep 12, 2026 |
| I | Brilliant Fixation: Rise and Sing | Rise and Sing | After the Version 4.5 update – Sep 12, 2026 |
| I | A Rainbow onto Twilight |  Hyacine | After the Version 4.5 update – Sep 12, 2026 |
| I | Bygone Reminiscence: Long May Rainbows Adorn the Sky |  Long May Rainbows Adorn the Sky | After the Version 4.5 update – Sep 12, 2026 |
Events
| Event | Dates | Stated rewards |
|---|---|---|
| Overdrive: Whirlwind Grand Prix | After the Version 4.5 update – Sep 28, 2026 | — |
| Minuscule Great Adventure | Sep 12 – Sep 28, 2026 | — |
| Gift of Odyssey | — |  Star Rail Special Pass ×10 |
New story
- Trailblaze Mission "Astropolis — To Roll the Stars in Astropolis"
Compensation
- Server Maintenance Compensation: Stellar Jade ×300
- Bug Compensation: Stellar Jade ×300
Server Maintenance Compensation: Trailblazers with Trailblaze Level ≥ 4 before 2026/08/26 06:00 (UTC+8)
Bug Compensation: Trailblazers with Trailblaze Level ≥ 4 before 2026/08/26 06:00 (UTC+8)
Also in this update: New Outfit, New Areas, Others.
Schedules, rewards and banner details above are rendered automatically from the official announcement; the headline and opening paragraph are machine-written and checked against that data. How articles are made
