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Tip-Top 'sources
Royal Armory Upgrade
Master Classes
Effect
+1% Collection Rate for every POW 10 'Top of List' Resources you own.
Cost for this level: 3.06B
Total to max: 2.29E35
Details
Class
Shelf
61
Unlocks at
2,050 total Armory upgrade levels
Note
Top of list resources are literally the resources at the top of each World list, like Wheat for World 1!