Calculators
Research planner
Research Trees
All 18 research trees with hex-grid planners. Set your current level on each node and see the full bill to mastery — grain, timber, herbs, study scrolls, research time, and might.
Core trees
Advanced economy
Squad research
Event trees
Combat tactics
Class mastery
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Visit our other calculators
Buildings
Upgrade costs for every structure — Sanctuary, labs, barracks, and more.
OpenHeroes
Star, level, skill, awaken, and exclusive weapon costs.
OpenGear
UR and SSR enhancement — gearstones, tempered steel, and herbs.
OpenRaven
Raven level and evolve EXP planning.
OpenProgression
Era specialty, RES, VIP, and alliance gift EXP.
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Research roadmap guide · Research Lab calculator
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