Quick Scoop It looks like you’re asking about Act 10 of Genshin Impact’s “Song of the Welkin Moon” questline. Public listings show Act 10 referenced as the finale of that arc, with videos and guides posted in May 2026 that specifically label it as “Act 10” or “Act 9–10” for the full story quest.

What it is

“Song of the Welkin Moon” is an Archon Quest line in Genshin Impact, and public quest listings identify it as part of the Nod-Krai storyline. The recent community content around Act 10 suggests it is the concluding chapter of that segment rather than a standalone side quest.

Community chatter

The available public posts around Act 10 are mostly playthroughs, guides, and lore discussion rather than a single official summary. That usually means players are treating it as a major story payoff, with spoilers and theory posts circulating soon after release.

If you meant the story

The safest spoiler-free take is that Act 10 appears to be the finale of the “Song of the Welkin Moon” arc, and people are discussing it as a lore- heavy chapter. If you want the actual plot beat-by-beat, that would require a spoiler summary.

Meta description

Act 10 of Genshin Impact’s “Song of the Welkin Moon” is being discussed online as the finale of the Nod-Krai Archon Quest arc, with guides and playthroughs posted in late May 2026.

TL;DR: Act 10 is the finale chapter of the “Song of the Welkin Moon” arc, and the public discussion around it is mostly lore, walkthroughs, and spoiler- heavy playthroughs.