Witchwork Staff is the 75th most-used weapon under the current filters (0.4% of 341,972 recorded fights), winning 46.1% overall - 9.3% of its wins come against better-geared opponents.
Best against Hallowfall (89.7%), Holy Staff (80.8%), Battleaxe (59.1%). Struggles against Bear Paws (22.2%), Permafrost Prism (27.3%), Energy Shaper (30.4%).
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.