Staff of Balance is the 95th most-used weapon under the current filters (0.3% of 551,945 recorded fights), winning 40.2% overall - 15.9% of its wins come against better-geared opponents.
Best against Hallowfall (86.4%), Holy Staff (64.5%), Battleaxe (58.8%). Struggles against Demonic Staff (8.8%), Frost Staff (14.3%), Battle Bracers (18.5%).
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.
