Spirithunter is the 73rd most-used weapon under the current filters (0.4% of 698,604 recorded fights), winning 59.9% overall - 10.8% of its wins come against better-geared opponents.
Best against Great Arcane Staff (100.0%), Oathkeepers (100.0%), Blight Staff (98.1%). Struggles against Ursine Maulers (21.4%), Claymore (28.0%), Heavy Crossbow (28.6%).
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.
