Rift Glaive is the 97th most-used weapon under the current filters (0.2% of 1,365,684 recorded fights), winning 67.5% overall - 5.3% of its wins come against better-geared opponents.
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.