People really overhype how necessary Furina constellations are. IMO Wrio is also totally usable at C0, his C1 just makes him much more flexible.
Furina's constellations are basically all really good (C6 is a meme but whatever), especially C1 and C2, but she's still one of the best supports in the game at C0. Her early constellations just amplify her supporting power.
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