Great Cursed Staff is the 126th most-used weapon under the current filters (0.1% of 686,134 recorded fights), winning 34.5% overall - 21.3% of its wins come against better-geared opponents.
Best against Longbow (33.3%), Bear Paws (10.0%). Struggles against Bear Paws (10.0%), Longbow (33.3%).
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.
