Chillhowl is the 95th most-used weapon under the current filters (0.3% of 1,139,036 recorded fights), winning 58.3% overall - 2.6% of its wins come against better-geared opponents.
Best against Great Nature Staff (89.3%), Tombhammer (75.0%), Wildfire Staff (75.0%). Struggles against Flamewalker Staff (16.7%), Arclight Blasters (25.0%), Lightcaller (34.3%).
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.