So I have my theories. Since aether has higher hp then lumine while lumine has higher charge attack then aether, my assumption is during their travels and past battles aether was tanking
Link VS. Aether and Lumine - Battles - Comic Vine
Aether and Lumine Genshin Impact Get Figures in 2023
For me they're not the future Lumine/Aether. But the children of that god king who had taken different paths. : r/Genshin_Impact
Lumine ≠ Aether Genshin Impact | HoYoLAB
Ceni 🎐 on X: "GENSHIN ANIME???????? AETHER IS TALLER THAN LUMINE???? https://t.co/e8nANuTVin" / X
lumine and aether (genshin impact) drawn by kuma37xx | Danbooru
Genshin Impact - Aether Meets Lumine Again After Losing Her (Reunion) | Meet, Losing her, Impact
Lumine as Aether [Genshin Impact] [Mods]
Genshin Impact's New Anime Could Settle the Main Character Debate
samijen — my headcanon for aether vs lumine lmao
lumine and aether (genshin impact) drawn by hozumi_rino | Danbooru
Genshin Impact - Lumine vs Aether Reunion Comparison - YouTube
issa on X: "this curiosity vs. confusion is a lot more evident in these thoma hangout pictures. lumine looks curious and determined to learn how to knit, paying close attention to thoma.