
A Different Kind of Artoria
Unlike her sword-wielding Saber counterpart, Castoria specializes in empowering allies through powerful buffs, rapid Noble Phantasm charging, and team survivability. As S-tier Arts support, she can elevate mid-tier Servants to new heights when incorporated into the right team composition.
Limited Summoning Windows
Before exploring Castoria's capabilities, it's important to note her availability status. Being a limited 5-star Servant, she only appears during special banners – typically during anniversary celebrations or major story updates. When she becomes summonable, Arts-oriented players should strongly consider investing their Saint Quartz.
The Castoria Advantage
While Fate/Grand Order features Servants with diverse abilities, Castoria specializes exclusively in Arts synergy and team support. Her entire skillset enhances Noble Phantasm performance, increases damage output, and facilitates rapid NP looping. She particularly shines when paired with premier Arts damage dealers like Space Ishtar, Summer Musashi, or Chloe.

Among her Append Skills, the third stands out – providing bonus damage against Saber-class enemies, the primary threat capable of penetrating her defensive support abilities.
Strategic Implementation
Castoria functions best in a supportive backline role rather than frontline combat. While she doesn't deliver substantial damage personally, her buffs dramatically enhance teammates' performance. Prioritize activating her Noble Phantasm early and frequently to maintain buff uptime and counter enemy NP removal effects.
In challenging encounters, coordinate her invincibility skill with other defensive abilities to prevent overlapping protections. For farming setups, precisely time her buffs to maximize damage potential during NP chains.
The Ultimate Support
Artoria Caster represents more than just another variant of Artoria – she revolutionized combat strategies across Fate/Grand Order's meta. Whether streamlining farming processes or conquering endgame challenges, Castoria remains an invaluable asset to any Master's roster.
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