Holy Staff is the 4th most-used weapon under the current filters (3.2% of 90,046 recorded fights), winning 13.8% overall - 7.1% of its wins come against better-geared opponents.
Best against Grailseeker (52.4%), Staff of Balance (35.5%), Bow of Badon (32.2%). Struggles against Glaive (0.0%), Arclight Blasters (2.0%), Claymore (3.1%).
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.