Heron Spear is the 35th most-used weapon under the current filters (0.8% of 456,885 recorded fights), winning 53.0% overall - 10.7% of its wins come against better-geared opponents.
Best against Great Nature Staff (96.2%), Hallowfall (89.5%), Redemption Staff (88.0%). Struggles against Claymore (27.6%), Hellspawn Staff (28.7%), Bear Paws (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.