Heavy Crossbow is the 16th most-used weapon under the current filters (1.9% of 181,719 recorded fights), winning 53.5% overall - 3.3% of its wins come against better-geared opponents.
Best against Great Nature Staff (78.1%), Dagger Pair (76.2%), Fire Staff (73.5%). Struggles against Arclight Blasters (10.5%), Flamewalker Staff (21.9%), Daybreaker (27.8%).
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.