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Since Kaeya’s role can vary from Sub-DPS, Support, or even Physical Main DPS, it’s crucial to pick the right weapon for him to wield in Genshin Impact. Weapons like Aquila Favonia would disturb his Supportive roles but shine with his Physical DPS work. The same thing can be said about Swords like Favonius or Sacrificial, which can be awful for him as a Physical Main DPS, but perfect for his Sub-DPS roles.

8 Aquila Favonia

Primary Stat: 674 Base ATK Secondary Stat: 41. 3% Physical DMG Effect: ATK is increased by 20%. Triggers on taking DMG: the soul of the Falcon of the West awakens, holding the banner of the resistance aloft, regenerating HP equal to 100% of ATK, and dealing 200% of ATK as DMG to surrounding opponents. This effect can only occur once every 15s.

Aquila Favonia is one of Kaeya’s best Swords if he’s operating as the main DPS. The Genshin Impact weapon grants Kaeya everything he needs from high Base ATK to a decent amount of Physical DMG, Kaeya also gets a nice DMG buff from Aquila Favonia’s passive that is easy to trigger since he’s bound to stay on the field as a Main DPS.

7 Favonius Sword

Primary Stat: 454 Base ATK Secondary Stat: 61. 3% Energy Recharge R5 Effect: CRIT hits have a 100% chance to generate a small amount of Elemental Particles, which will regenerate 6 Energy for the character. Can only occur once every 6s.

Favonius weapons in Genshin Impact are always good with characters that inherit the role of a Sub-DPS or a Support. For Kaeya, getting him out every few seconds to use his skills will guarantee to trigger the Favonius effect and add more usefulness to his kit. Favonius Sword is a good Supportive weapon for Kaeya when players are in need of a battery in their team.

6 Sacrificial Sword

Primary Stat: 454 Base ATK Secondary Stat: 61. 3% Energy Recharge R5 Effect: After dealing damage to an opponent with an Elemental Skill, the skill has an 80% chance to end its own CD. Can only occur once every 16s.

Just like Favonius, Sacrificial weapons in Genshin Impact are a good combo with characters that depends on their Elemental Skills. Sacrificial Sword allows Kaeya to double Skill against enemies, which will create double the amount of Energy production for his team. This weapon also practically guarantees his Burst availability since it offers Energy Recharge stat on top of the extra particles.

5 Blackcliff Longsword

Primary Stats: 565 Base ATK Secondary Stats: 36. 8% CRIT DMG R5 Effect: After defeating an opponent, ATK is increased by 24% for 30s. This effect has a maximum of 3 stacks, and the duration of each stack is independent of the others.

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Blackcliff Longsword is a good weapon that adds a decent amount of stats for Kaeya in Genshin Impact. The weapon has CRIT DMG as a secondary stat and has a high Base ATK for a 4-star weapon, which will help Kaeya deals more DMG playing as a Main or Sub-DPS.

4 The Black Sword

Primary Stats: 510 Base ATK Secondary Stats: 27. 6% CRIT Rate R5 Effect: Increases DMG dealt by Normal and Charged Attacks by 40%. Additionally, regenerates 100% of ATK as HP when Normal and Charged Attacks score a CRIT Hit. This effect can occur once every 5s.

The Black Sword is close to Aquila Favonia with its effect, adding DMG and healing to Kaeya. Of course, it’s hard to compare a 4-star to a 5-star weapon in Genshin Impact since their stats are significantly different, but Black Sword has everything Kaeya needs to shine as a Main or a Sub-DPS.

3 Skyward Blade

Primary Stat: 608 Base ATK Secondary Stat: 55. 1% Energy Recharge Effect: CRIT Rate increased by 4%. Gains Skypiercing Might upon using an Elemental Burst: Increases Movement SPD by 10%, increases ATK SPD by 10%, and Normal and Charged hits deal additional DMG equal to 20% of ATK. Skypiercing Might last for 12s.

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Since it’s so easy for Kaeya to use his Elemental Burst in Genshin Impact, Skyward Blade pairs perfectly with his kit. Kaeya can really benefit from the 55% ER Skyward Blade offers alongside the good Base ATK it has.

2 Primordial Jade Cutter

Primary Stat: 542 Base ATK Secondary Stat: 44. 1% CRIT Rate Effect: HP increased by 20%. Additionally, provides an ATK Bonus based on 1. 2% of the wielder’s Max HP.

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Primordial Jade Cutter is a standard best weapon for every Sword user in Genshin Impact at this point. Every character has something to take from this simple 5-star Sword. Considering it’s insane 44% CRIT Rate, it’s not hard to see why Primordial fits with most characters. For Kaeya, Primordial Jade Cutter doesn’t add anything special but a great amount of DMG that he needs while being on and off-field.

1 Mistsplitter Reforged

Primary Stat: 674 Base ATK Secondary Stat: 44. 1% CRIT DMG Effect: Gain a 12% Elemental DMG Bonus for all Elements and receive the might of the Mistsplitter’s Emblem. At stack levels 1/2/3, Mistsplitter’s Emblem provides an 8/16/28% Elemental DMG Bonus for the character’s Elemental Type. The character will obtain 1 stack of Mistsplitter’s Emblem in each of the following scenarios: Normal Attack deals Elemental DMG (stack lasts 5s), casting Elemental Burst (stack lasts 10s); Energy is less than 100% (stack disappears when Energy is full). Each stack’s duration is calculated independently.

Kaeya can easily activate all Mistsplitter Reforged’s requirements to get its full stacks. Add to that the 44% CRIT DMG and the high Base ATK, and players just got the best weapon Kaeya can use in any role he plays. This weapon is especially excellent when players are playing Kaeya on a freeze team with Blizzard Strayer; as players can solely focus on stacking CRIT DMG.

Genshin Impact is now available on Mobile, PC, PS4, and PS5. A Switch version is in development.