Heavy Mace is the 69th most-used weapon under the current filters (0.5% of 171,591 recorded fights), winning 17.4% overall - 25.4% of its wins come against better-geared opponents.
Best against Hellspawn Staff (20.0%), Dawnsong (16.0%), Realmbreaker (11.5%). Struggles against Permafrost Prism (0.0%), Battle Bracers (0.0%), Longbow (4.0%).
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.