Infernal Staff is the 67th most-used weapon under the current filters (0.5% of 1,221,828 recorded fights), winning 51.2% overall - 8.4% of its wins come against better-geared opponents.
Best against Nature Staff (90.9%), Redemption Staff (85.7%), Incubus Mace (83.9%). Struggles against Dawnsong (18.2%), Flamewalker Staff (19.5%), Lightcaller (20.7%).
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.