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
Quest | APD ▴ |
---|---|
Caster Training Ground - Novice Friday - Chaldea Gate | 10 |
Caster Training Ground - Intermediate Friday - Chaldea Gate | 20 |
Hotel Street Shinjuku - Shinjuku 4-Chome - Shinjuku | 54.2 |
Ship Graveyard Sunken Rock Seas - Okeanos | 104.6 |
The Incandescent Crest Camelot - Dune of Dawn - Camelot | 116 |
Royal Family's Hunting Ground Regent Park - London | 141 |
Scotland Yard Westminster - London | 144 |
Crystal Palace Ruins Hyde Park - London | 228.9 |
Caster Training Ground - Expert Friday - Chaldea Gate | 370 |
Caster Training Ground - Advanced Friday - Chaldea Gate | 680 |
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 |
213
Posts
18320
Entries
Contributors
- Servant Tier ListServantsSummon Banner ListOlga Marie Quest_1Summon Simulator (JP)Ordeal Call Bleached Earth - Olga Marie QuestsOrdeal Call Bleached Earth - Free QuestsLarva / Tiamat (Archer)Rabbit's Reviews - ArchiveLostbelt 7: Nahui Mictlan - Spoiler-free Walkthrough
- Summon Simulator (NA)Ryougi Shiki (Moon Cancer)Ordeal Call I: Paper Moon - Spoiler-free WalkthroughE-Flare MarieOrdeal Call Bleached Earth - Challenge QuestsRabbit’s Reviews #424: Ryougi Shiki (5* Moon Cancer)Grigori RasputinHunting Quest Part 13FGO Summer 2025 - WalkthroughOrdeal Call New Duties Unlocked: Part 2
- Larva / Tiamat[High Difficulty] Legendary Water SourcePassionlip (Saber)Senji MuramasaU-Olga MarieJeunesse Crane[High Difficulty] Legendary Water SourceMMM - Proselyting Primary-Schooler Performs Purification, Passive to Perfunctory Planetary Perciever of Passing (Summer 2025 Part 2)BB (Summer)Altria Caster (Berserker)
- MMM - Marie, Merrily Migrating to Mediterranean Miracle, Marvels at Massive Mammaries on Majorly-Maligned Maiden (Summer 2025 Part 1)Lostbelt 7: Nahui Mictlan - Main QuestsMystic CodesMiyu Edelfelt (Lancer)Aesc the SaviorFGO Summer 2025 - Tier List Change LogTezcatlipocaHuyan Zhuo (Berserker)Rabbit’s Reviews #421: U-Olga Marie (5* UnBeast)Oberon
- Advanced QuestsCraft EssencesAbandoned MythKriemhild (Rider)Scathach-Skadi (Ruler)Altria CasterFGO Summer 2025 - Quick Farming GuideRabbit’s Reviews #422: Passionlip (5* Saber)