Heavy Crossbow is the 18th most-used weapon under the current filters (1.8% of 325,435 recorded fights), winning 53.9% overall - 3.5% of its wins come against better-geared opponents.
Best against Great Nature Staff (79.6%), Longbow (79.1%), Demonic Staff (76.3%). Struggles against Arclight Blasters (15.7%), Flamewalker Staff (26.9%), Phantom Twinblade (28.9%).
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.