Honkai: Star Rail version 4.3 update released
Honkai: Star Rail version 4.3, titled "The Lethe Below the Living", is now live following maintenance that began on 2026/06/01 06:00 (UTC+8). The update introduces the 5-star character Mortenax Blade, the Trailblaze Mission "Planarcadia" - "The Lethe Below the Living", and compensation rewards including Stellar Jade ×300 for server maintenance. Players can participate in new event warps and events such as "Pixel Plane Rumble", with login rewards including Star Rail Special Pass ×10 from "Gift of Odyssey".
- New characters:
Mortenax Blade (5★ 
Nihility: 
Fire) - 1 new Light Cones
- 4 events
- Compensation:
Stellar Jade ×600 (Server Maintenance Compensation + Bug Compensation)
New characters
Mortenax Blade
| Rarity | 5★ |
|---|---|
| Element | Nihility: Fire |
Official description: Mortenax Blade is a damage-dealing character who deploys a special Zone to gain enhancements and brand-new abilities. While the Zone is active, ally targets can frequently inflict DEF-reducing and Vulnerability debuffs on enemies, and also trigger Mortenax Blade's additional Skill Follow-Up ATK.
New Light Cones
| Light Cone | Rarity | Type |
|---|---|---|
 Reforged in Hellfire | 5★ | Nihility |
Event Warps announced so far
| Phase | Event Warp | Boosted 5★ | Dates |
|---|---|---|---|
| I | Now I Am Become Blade | Mortenax Blade | After the Version 4.3 update – Jun 24, 2026 |
| I | Brilliant Fixation: Reforged in Hellfire | Reforged in Hellfire | After the Version 4.3 update – Jun 24, 2026 |
| I | Gleam of a Thousand Plumes |  Yao Guang | After the Version 4.3 update – Jun 24, 2026 |
Events
| Event | Dates | Stated rewards |
|---|---|---|
| Pixel Plane Rumble | After the Version 4.3 update – Jul 15, 2026 | — |
| Wispae Amusement Park | Jun 24 – Jul 15, 2026 | — |
| Gift of Tempered Blade | After the Version 4.3 update – Jun 24, 2026 | — |
| Gift of Odyssey | — |  Star Rail Special Pass ×10 |
New story
- Trailblaze Mission "Planarcadia" - "The Lethe Below the Living"
Compensation
- Server Maintenance Compensation: Stellar Jade ×300
- Bug Compensation: Stellar Jade ×300
Server Maintenance Compensation: Trailblazers with Trailblaze Level ≥ 4 before 2026/06/01 06:00 (UTC+8)
Bug Compensation: Trailblazers with Trailblaze Level ≥ 4 before 2026/06/01 06:00 (UTC+8)
Also in this update: New Outfit, New Area, 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
