The most recent Research Tree, Athena’s Ultra Rewards, consists of 100% multipliers. Out of the several items included in this research, the most impacting multipliers will be for Gear, Gems, Runes, Rally Sizes and March Sizes. The Economy multipliers are handy as well for Que sizes and Reductions.
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Charts of Athena’s Ultra Reward Increases & Materials
Chart of Athena’s Ultra Rewards increases:
Chart of where Athena’s Rewards come from (as stated within Research Tree):
Looking at the Specifics
Gear, Runes and Gems all receive equal amounts of Modifiers from Athena’s Ultra Rewards research. Outside of March and Rally sizes, they are the best way to increase defense and attacks from this Research. Modifiers apply to base stats before any upgrades are applied.
The Best way to identify which item to upgrade is by looking and comparing the base stats of Gear, Runes, and Gem Set Bonus. Here is a chart to help.