Light Crossbow is the 40th most-used weapon under the current filters (0.7% of 129,321 recorded fights), winning 45.2% overall - 10.0% of its wins come against better-geared opponents.
Best against Holy Staff (90.5%), Bow of Badon (58.6%), Longbow (56.0%). Struggles against Claymore (20.8%), Bear Paws (23.5%), Frost Staff (28.2%).
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.