Spirithunter is the 73rd most-used weapon under the current filters (0.4% of 946,142 recorded fights), winning 60.0% overall - 10.7% of its wins come against better-geared opponents.
Best against Great Arcane Staff (100.0%), Oathkeepers (97.3%), Blight Staff (96.9%). Struggles against Heavy Crossbow (29.2%), Hellspawn Staff (30.0%), Ursine Maulers (31.6%).
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.
