Vacuum Tube
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"Event Item"
A machine part obtained during "Revival: SABER WARS - Lite."
It's an eternal mystery as to what it's used for.
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
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17871
Entries
Contributors
Servant Tier ListMystic Eyes Symphony - Walkthrough
Servants
Summon Banner List
Summon Simulator (JP)
Summon Simulator (NA)
Medusa (Saber)Mystic Eyes Symphony - Challenge GuideLostbelt 7: Nahui Mictlan - Spoiler-free WalkthroughOrdeal Call I: Paper Moon - Spoiler-free Walkthrough
Galatea
Miss CraneEvent Guides
Altria Caster (Berserker)
Savior Aesc
Typhon EphemerosMystic Eyes Symphony - Traverse Quests
Lilith
Morgan
Huyan Zhuo- Mystic Eyes Symphony Event - The Bewitching Forest and Beautiful FootprintsRabbit's Reviews - Archive
Durga
Oberon
Vritra
Baobhan Sith
Jeanne d'Arc (Berserker Alter)
Xu Fu
Jeanne d'Arc (Alter)
Mystic Codes 
Sodom's Beast / DracoShot 10: The Feet of Those Who've Been Through HellAdvanced QuestsShot 75: They might make impossible requests...Mystic Eyes Symphony - Side Quests
Altria Caster
Remnants of MadnessLostbelt 7: Nahui Mictlan - Main QuestsShot 100: It's a Photo Shoot with the Three Sisters
Altria Pendragon
Mash KyrielightShot 50: The Feet of the Precious, and a Small Epilogue (2/4)
Ibuki-Douji (Berserker)
Koyanskaya of Light[High Difficulty] Forest Fairies's Forest
Kukulcan
Lady Avalon
Scathach-Skadi (Ruler)
Melusine
Katsushika Hokusai (Saber)
