As one of the earliest characters to be introduced to Genshin Impact, Diona Kätzlein has had ample time to solidify her role in the game. The alcohol-despising bartender is still Genshin Impact’s only Cryo healer and shielder (Kaeya’s C4 shield doesn’t really count), meaning that Diona has no contest for her role until another Cryo support like her comes along.
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Since Diona is a character available within the standard 4-star pool, she is a fairly accessible unit for most players. Additionally, she looks to be on the upcoming Yae Miko banner, granting anyone who doesn’t have her yet a chance to snag the frosty, feline support. Diona fulfills a unique role in Genshin Impact and can fit into a variety of team compositions, so she would definitely be a worthy pickup if you can spare the Primogems.
Diona being a Cryo healer and shielder naturally points to her supporting a Cryo team. Cryo Resonance is extremely strong, providing your team with a 15 percent bonus Crit Rate when attacking an enemy that is Frozen or affected by Cryo. Moreover, every other Cryo character in the game is built as a damage dealer who often needs someone to buff and protect them, which is where Diona comes in.
Diona’s shield may not be the most formidable in Genshin Impact, but it can still ward off a few rogue hits from enemies before falling. The Cat’s Tail tavern’s resident mixologist also has a signature drink in her Elemental Burst, which deals periodic Cryo DMG to foes and slowly heals your active character inside the zone. The consistent Cryo application makes sure that Frozen enemies don’t thaw out, so you can maintain the Crit Rate bonus from Cryo Resonance and the Blizzard Strayer
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