Holy Staff is the 3rd most-used weapon under the current filters (3.4% of 97,330 recorded fights), winning 14.7% overall - 3.9% of its wins come against better-geared opponents.
Best against Quarterstaff (47.6%), Brawler Gloves (27.3%), Polehammer (25.0%). Struggles against Hellfire Hands (1.3%), Heavy Crossbow (2.0%), Broadsword (2.6%).
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.