Chillhowl is the 95th most-used weapon under the current filters (0.2% of 1,016,315 recorded fights), winning 58.3% overall - 2.7% of its wins come against better-geared opponents.
Best against Great Nature Staff (88.0%), Wildfire Staff (77.8%), Battleaxe (75.4%). Struggles against Flamewalker Staff (14.3%), Lightcaller (30.0%), Arclight Blasters (30.0%).
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.