Chillhowl is the 43rd most-used weapon under the current filters (0.7% of 325,435 recorded fights), winning 60.9% overall - 1.2% of its wins come against better-geared opponents.
Best against Great Nature Staff (95.0%), Wildfire Staff (83.3%), Great Frost Staff (76.0%). Struggles against Flamewalker Staff (10.0%), Arclight Blasters (23.1%), Lightcaller (37.9%).
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.