Honkai Star Rail Launches Version 4.0 Update

Do Hyunn

09 Feb 2026 — 3 min read

Honkai: Star Rail has officially rolled out its Version 4.0 update, titled No Aha at Full Moon, ushering in one of the most content-rich patches of the year. Live from February 13, 2026, this update introduces a new in-game region, fresh playable characters and a slate of generous free login rewards for players across all servers.

The Version 4.0 update is designed to expand both the world of Star Rail and the way players interact with its characters and systems. Alongside major story progression, the patch broadens the game’s gameplay variety with new content that appeals to both long time players and newcomers.

New Region Planarcadia Unlocked

At the heart of Version 4.0 is the new area known as Planarcadia, a mysterious and artistically crafted region that blends sprawling landscapes with a refined aesthetic.

The new region introduces:

• New environments and map layouts
• Additional enemies and elite encounters
• Story quests that advance the central narrative
• Side missions that deepen worldbuilding and character lore

A common question after the special program is whether this region replaces previous storylines. It does not. Instead, it builds on existing arcs while setting up long term plot threads that will continue across future versions.

Two New Five-Star Characters Join the Roster

Version 4.0 introduces two new five-star characters, both of whom have drawn attention from the community:

• Yao Guang – A character whose gameplay style blends finesse with utility, offering unique support and damage roles in team composition.

• Sparxie – A character with visually striking abilities and dynamic combat animations, poised to influence both PvE and certain strategic builds.

These new additions give players more options for assembling teams, particularly for endgame content and narrative challenges.

Version 4.0 Events and Limited Time Activities

To accompany the version launch, Honkai: Star Rail is also rolling out a series of officially confirmed login rewards and participation bonuses. These rewards are distributed through time limited events and milestone based activities during the Version 4.0 period.

Confirmed rewards include:

Limited time login bonuses featuring Stellar Jade and Special Passes
Version celebration rewards tied to active participation
Upgrade and progression materials earned through event completion
Additional bonuses released gradually across the update schedule

These events are structured to support both new and returning players, making it easier to explore Version 4.0 content while rewarding consistent play. Availability and reward details may vary by event, so players are encouraged to check the in game event menu and HoYoLAB updates regularly to avoid missing limited time rewards.

System Improvements and Gameplay Adjustments

Version 4.0 also introduces system level improvements aimed at smoothing the overall experience.

Based on official notes, players can expect:

• Interface refinements for menus and progression systems
• Adjustments to combat clarity and skill presentation
• Quality of life updates that reduce repetitive actions

One concern among players is whether these changes affect balance. According to HoYoLAB details, Version 4.0 focuses on refinement rather than sweeping balance shifts, preserving existing team viability.

Final Thoughts

The Honkai: Star Rail Version 4.0 update “No Aha at Full Moon” represents one of the most varied and ambitious patches in the game’s history, blending new gameplay systems with narrative expansion and generous player rewards. Whether exploring Planarcadia or assembling a new roster with the latest characters, players have plenty to dive into as the game continues to grow.