Castoria Guide: Skills, Synergies & Top Teams

Artoria Caster, commonly called Castoria by Fate/Grand Order players, stands as one of the most transformative support Servants in this RPG. She first appeared during the 5th Anniversary event and instantly became essential for tackling challenging content or optimizing resource farming.

While her Saber counterpart focuses on swordplay, Castoria specializes in amplifying team performance through powerful buffs, rapid Noble Phantasm charging, and enhanced survivability. As a premier Arts support, she elevates even mediocre Servants to formidable levels within synergistic team compositions.

Limited Availability

Before exploring Castoria's capabilities, note that she's an exclusive 5-star Servant appearing only during special banners—typically tied to anniversaries or major story updates. If she becomes available and you're assembling an Arts-oriented team, investing your Saint Quartz could prove worthwhile.

What Makes Castoria Special

Fate/Grand Order features Servants with diverse capabilities, but Castoria uniquely specializes in Arts synergy and team support. Her entire skillset revolves around enhancing NP generation, amplifying damage output, and enabling rapid NP looping. She particularly shines when partnered with Arts-focused attackers like Space Ishtar, Summer Musashi, or Chloe.

Among her Append Skills, the third one proves particularly valuable—it increases damage against Sabers, representing one of the few vulnerabilities in her otherwise formidable support capabilities.

Playstyle and Combat Tips

Castoria excels in supportive roles rather than direct combat. While she doesn't deliver massive damage herself, her buffs dramatically enhance teammates. Prioritize frequent Noble Phantasm activation to maintain buffs and counter enemy NP removal effects.

During boss encounters, alternate her invincibility with other defensive skills for continuous protection. When farming, synchronize her buffs with your DPS Servant's NP chain timing for maximum efficiency.

More than just another Artoria variant, Castoria revolutionized combat strategies in Fate/Grand Order. Whether optimizing farming routes or conquering high-difficulty quests, she consistently proves invaluable to any team composition.

For optimal performance during extensive gameplay sessions, consider running Fate/Grand Order on PC via BlueStacks—enhancing both visual quality and multitasking capabilities.