About this tool

A free roster-aware prestige optimiser for Marvel Contest of Champions. Built because every other tool either calculates without recommending, paywalls the calculator, or has gone dark.

The math

Champion prestige is the floor of the average of your top-30 champions' Base Hero Rating (BHR). BHR is what the in-game prestige page shows — distinct from PI, which mixes in synergies, masteries, and relics.

BHR is calculated as:

BHR = sig0 + (sig200 − sig0) × sigCurve(rank, sig)
        × ascensionMultiplier

The constants (locked empirically against Dave's verified roster):

  • Rank multipliers: R5 = 1.000, R4 = 0.8431, R3 = 0.6906
  • Ascension multipliers: A0 = 1.00, A1 = 1.08, A2 = 1.16
  • Sig curves: rank-dependent. Sig 0 → 100 captures more BHR than sig 100 → 200 at every rank. The curve is concave.

Two views, one engine

Atomic moves answers “what should I do next?” — ranked by prestige delta, with cost gates labelled so you can match against what you actually have.

Ceiling view answers “what's worth investing in long-term?” — for every champion in your roster, computes the prestige impact of fully developing them.

They use the same data and primitives but give you different cuts. Look at atomic moves when you have catalysts burning a hole in your inventory; look at ceiling when you're planning your next 6 months.

Data sources

Champion BHR reference values come from MCOCHUB, maintained by InsaneSkull as a community project. Cross-validated against mcoc.gg (BrutalDX), which launched a prestige table view in April 2026. Champion metadata (class, release dates, immunities) draws from the Fandom wiki under CC-BY-SA.

This tool exists because of years of volunteer data work by the MCOC community. If you spot an error in our numbers, the correction belongs upstream too — we'll feed it back.

What this tool doesn't do

  • Track your stash. Cost gates are labelled, not tracked. You know what you have; we don't need to.
  • Plan multi-step sequences. v1 surfaces atomic moves and ceilings; multi-step planning lives in v2.
  • Optimise relic prestige. Relic is its own loop and will live in v2.
  • Tell you who to play. No tier lists, no rotation guides, no defender meta. Tools for that exist; this is about prestige.

Free, no signup

Hosted on Cloudflare Pages. Tip jar pending. No ads, no paywall, no tracking beyond Cloudflare Web Analytics (cookieless).

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