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Artoria Caster 'Castoria' Guide: Skills, Synergies, Team Comps

Authore: JoshuaUpdate:Mar 28,2025

Artoria Caster, affectionately known as Castoria in the Fate/Grand Order community, is a game-changer among support Servants in this popular RPG. She made her grand entrance during the 5th Anniversary event, quickly establishing herself as an essential asset for players aiming to tackle challenging content or optimize their farming strategies.

Unlike her Saber counterpart, Castoria doesn't focus on wielding swords; instead, she's here to empower your team with potent buffs, accelerate Noble Phantasm charging, and enhance ally survivability. As a premier Arts support, Castoria has the unique ability to transform 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 that, as a limited 5-star Servant, she appears only during specific banners, typically linked to anniversaries or significant story chapters. If you spot her banner, consider using your Quartz, especially if you're aiming to build an Arts-focused team.

What Makes Castoria Special

In Fate/Grand Order, Servants vary widely in their abilities and roles. Castoria is designed with a focus on Arts synergy and team-wide support. Her skill set is geared towards enhancing NP gain, amplifying damage, and facilitating rapid NP looping. She shines brightest when teamed up with Arts-centric damage dealers like Space Ishtar, Summer Musashi, or Chloe.

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

Among her Append Skills, her third skill stands out, as it boosts damage against Sabers, a class that can otherwise challenge her support-oriented defenses.

Playstyle and Combat Tips

Castoria is designed to support from the backline, not to deal massive damage herself. Her role is to amplify the performance of her teammates. Deploy her Noble Phantasm frequently to maintain continuous buffs and counteract enemy NP removal effects.

In boss battles, coordinate her invincibility with another defensive skill to ensure continuous protection. During farming sessions, time her buffs to maximize the effectiveness of your DPS's NP chains.

Artoria Caster, or Castoria, is 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 farming resources or facing high-difficulty challenges, Castoria is an invaluable addition to any team.

For an optimized gaming experience with smoother farming and efficient team setups, consider playing Fate/Grand Order on a PC using BlueStacks. This setup enhances performance and allows for seamless multitasking across your favorite games.