A recent beta change for Version 6.6 may have confirmed Stellar Reactions as the next Genshin Impact gameplay mechanic, likely making a debut in Version 6.7 before getting a full launch in Snezhnaya. Ever since Version 4.0, Genshin Impact has attempted to give each region a gimmick that goes beyond the fundamentals of Elemental Combat. For Fontaine, it was Arkhe; for Natlan, it was Nightsoul; and for Nod-Krai, it was its Lunar Reactions. Whereas Arkhe only played a small part in defining the meta of a region, by Version 6.5, Lunar Reactions have firmly entrenched themselves as the best way to tackle Genshin Impact's endgame.
Whereas Nightsoul was unlocked for both 4-Star and 5-Star characters from Natlan, including the Pyro Traveler, Lunar Reactions have proven to be considerably more restrictive. Only 5-Star characters from Nod-Krai can enable Lunar Reactions across a team, with a hypercarry and support pair designed for each element. Dendro has Nefer and Lauma for Lunar-Bloom, Geo has Zibai and Linnea for Lunar-Crystallize, and Electro has Flins and Ineffa for Lunar-Charged. Columbina, as the Archon equivalent of Nod-Krai, sits as the capstone for any Lunar Reactions team in Genshin Impact....
