Heavy Crossbow is the 24th most-used weapon under the current filters (1.3% of 2,010,422 recorded fights), winning 56.2% overall - 5.5% of its wins come against better-geared opponents.
Winrate by IP difference (50-IP buckets, dot size = sample size). A flat curve means the weapon carries regardless of gear; a steep one means it only wins when out-gearing.