Mace is the 43rd most-used weapon under the current filters (0.7% of 469,485 recorded fights), winning 41.4% overall - 13.8% of its wins come against better-geared opponents.
Best against Hallowfall (81.4%), Holy Staff (70.7%), Blight Staff (68.2%). Struggles against Phantom Twinblade (8.7%), Spiked Gauntlets (16.3%), Spirithunter (16.7%).
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.