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Artoria Caster 'Castoria' Guide: Skills, Synergies, Top Teams

Author:Kristen Update:Mar 29,2025

Artoria Caster, affectionately known as Castoria within the Fate/Grand Order community, is a game-changer among support Servants in this popular RPG. Introduced during the 5th Anniversary event, she has become an essential asset for players aiming to conquer challenging content or streamline their farming efforts.

Unlike her Saber counterpart, Castoria doesn't wield a sword; instead, she empowers your team with substantial buffs, accelerates Noble Phantasm charging, and extends the longevity of your allies. As a premier Arts support, she transforms even average Servants into formidable forces when integrated into the right team composition.

Limited Availability

Before delving into Castoria's capabilities, it's crucial to note her status as a limited 5-star Servant. She appears exclusively during specific banners, typically linked to anniversaries or major story chapters. If you spot her banner, it's wise to consider using your Quartz, especially if you're crafting an Arts-focused team.

What Makes Castoria Special

In Fate/Grand Order, Servants vary widely in their abilities and roles. Castoria is designed to enhance Arts synergy and provide comprehensive team support. Her skill set is tailored to boost NP gain, amplify damage, and facilitate rapid NP looping. She shines brightest when teamed with Arts-centric DPS Servants such as Space Ishtar, Summer Musashi, or Chloe.

Fate/Grand Order Artoria Caster 'Castoria' Guide - Skill sets, Synergies, and Best Team Compositions

Among her Append Skills, the third one stands out as it increases damage against Sabers, a class that can otherwise easily penetrate her support defenses.

Playstyle and Combat Tips

Castoria is best utilized in the backline, bolstering your team's performance. While she doesn't deliver high damage herself, her buffs significantly enhance the capabilities of her teammates. Deploy her Noble Phantasm early and frequently to maintain continuous buffs and mitigate the risk of enemy NP removal effects.

During boss encounters, strategically stagger her invincibility with another defensive skill to avoid redundancy. In farming scenarios, time her buffs to maximize the impact of each NP chain for your DPS.

Artoria Caster is far more than just another iteration of Artoria; she's a top-tier support who has revolutionized combat strategies in Fate/Grand Order. Whether you're tackling high-difficulty challenges or farming efficiently, Castoria is an invaluable addition to any team.

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