Gem of Caster
ListEntry
Table of Contents
"Skill Up Material"
A bright stone glimmering with the power of a Caster.
Best Drop Locations
Best Drop Locations
APD = Avg AP Per Drop
The most efficient quests to farm for the item. Lower is better.
Drop rate estimates based on data collected by /u/Rathus and the Grand Order Subreddit
1st Skill Enhancement
2nd Skill Enhancement
1st Append Skill Enhancement
2nd Append Skill Enhancement
4th Append Skill Enhancement
| Servant | Amount |
|---|---|
 Asclepius | x8 |
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Servant Tier ListOrdeal Call II: Id - Spoiler-free Walkthrough
Servants
Marie Antoinette (Alter)
Summon Banner ListCBC 2026 - Walkthrough
Summon Simulator (NA)
Summon Simulator (JP)
Hassan of the Shining StarOrdeal Call II Id - Tier List Change Log
The Count of Monte Cristo
Arjuna (Alter)CBC 2026 - Quick Farming GuideLostbelt 7: Nahui Mictlan - Spoiler-free WalkthroughCBC 2026 Event - Charlemagne's Chivalrous Montjoie!CBC 2026 - Challenge GuideOlga Marie Quest_1Event GuidesOrdeal Call I: Paper Moon - Spoiler-free Walkthrough
Flower of the End- Rabbit's Reviews - ArchiveOrdeal Call II: The Inescapable Gehenna, Id
Charlemagne
Jacques de Molay (Saber)Tier List Change Log HistoryOrdeal Call II: Id - Main Quests
Richard IEntr'acte, Special Training for Acting! Opera House
Jacques de Molay
Space Ereshkigal 
Alessandro di Cagliostro
Jeanne d'Arc (Alter)
Minamoto-no-Tametomo
Aoko Aozaki
Altria Caster
Lord Logres
Gilgamesh
Koyanskaya of LightOrdeal Call Bleached Earth - Free QuestsValentine's 2026 - Walkthrough
DemeterMMM - Arcade Advents An Abating Advantage, As Abnormal Animal is Added - An Andro-Servant? Astonishing! (Chaldea Boys Collection 2026)
Zhuge Liang (El-Melloi II)
Enkidu
Craft EssencesSingularities and Main Chapters
OberonOrdeal Call I: Zero Compass Inner Domain, Paper Moon
Taira-no-Kagekiyo
Altria Caster (Berserker)
