Genshin Impact version 6.3 Luna IV brings Nod-Krai expansion and new characters

HoYoverse launched Genshin Impact version 6.3, titled Luna IV, on January 14, 2026, delivering a major mid-winter update that expands the Nod-Krai region, continues the Archon storyline, and layers in festival content and mechanical changes players will feel immediately.

The headline additions include a Nod-Krai map expansion and the Archon Quest postlude "A Traveler on a Winter's Night," which continues the late-Archon narrative threads and gives players new exploration and story beats. The Lantern Rite festival returned with limited-time events, themed rewards, and festival-style activities designed around the update’s new Lunar reactions and mechanics. Those mechanics alter certain elemental interactions and will affect team builds during event encounters and open-world play.

Version 6.3 also introduced three new playable characters. Columbina arrives as a 5-star Hydro unit and the highly anticipated Fatui Harbinger addition, positioned as a focal point for players planning their pulls this phase. Zibai debuts as a 5-star Geo character, and Illuga joins the roster as a 4-star Geo. Their arrival coincides with a reworked, phase-based banner schedule, so gacha planning now requires attention to which units occupy each phase rather than a single two-character spotlight for the full banner cycle.

The patch required scheduled maintenance prior to release, with regional server windows put in place ahead of the update. HoYoverse provided preload access and quality-of-life fixes as part of the rollout; players reported varying preload sizes and should make room on their devices before downloading. The update also followed expected compensation norms for maintenance, with in-game mail and event windows aligned to give players time to claim rewards.

Practically, the changes mean active players need to adjust immediate priorities. If you chase Columbina, map your primogem strategy to the new phase schedule so you avoid overlapping pity requirements. Lantern Rite activities will be the quickest route to event currency and freebies, so log in early to complete time-limited tasks. The new Lunar reactions will shift optimal teams for both event content and certain world encounters, so test combos in safe content before committing fragile resources.

Version 6.3’s mix of story, festival content, and systems updates makes it a packed mid-season patch. Expect community discussion to center on Columbina’s kit, Zibai and Illuga’s roles in Geo compositions, and how Lunar reactions slot into existing synergy strategies. Prepare device storage, check the banner phases before you pull, and use the Lantern Rite window to top up your resources, the next phase of the season is now live, and how you choose to engage will set your progress for the weeks ahead.