Infusion Calculator
Infusion turns three Rare items, one from each faction, into one Epic for your faction. The epic's max level is the average of the three, rounded down — and that's the bit that's awkward in your head when milestones are involved.
My storage: find infusions I can make now
Add the Rare weapons, armor and shields sitting in your storage. BSBuddy pairs them up for you, so you only craft or farm what's actually missing. Saved in this browser only.
Work one out by hand
Reverse planner: what aux levels do I need?
Uses the base level above. Tell it the epic level you want.