>>531356887
I've seen enough people ask about Dahlia's gender to know Genshin is not above having characters with ambiguous genders

>>527459242
His C6 is an additional +10% attack speed buff (for a total of 30% if you have 40k HP) + conditional instant revive on a 15 min cooldown.
His other constellations are very much whatever.
https://gi.yatta.moe/en/archive/avatar/10000115TC/dahlia?mode=constellation