The ultimate theorycrafting tool for Ragnarok X: Next Generation. Calculate damage, compare builds, and get smart recommendations.
Roxtheory is strongest when the decision is expensive: card swaps, boss/PvP tuning, screenshot-derived upgrades, and class-specific breakpoint calls.
Open The Spenders Landing PageCompare cards, stats, and upgrade paths before you commit expensive materials.
Upload screenshots, test boss/PvP targets, and get a sharper next-step recommendation.
Reverse-engineered data and grounded comparisons give the site a stronger authority angle.
From precise calculations to AI-powered analysis, we have you covered.
Advanced formulas with penetration buckets, crit damage, and P.DMG bonuses.
Upload your stats screenshot and let Claude Vision extract your build automatically.
Compare two builds side-by-side to see exactly which one performs better.
Get personalized recommendations on how to improve your build.
Choose the plan that fits your needs. All plans include full calculator access.
Join other ROX players who are already maximizing their damage potential.
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