Twin Slayers is the 77th most-used weapon under the current filters (0.3% of 544,351 recorded fights), winning 57.0% overall - 3.6% of its wins come against better-geared opponents.
Best against Holy Staff (91.1%), Hallowfall (90.6%), Mistpiercer (75.0%). Struggles against Claymore (25.8%), Crystal Reaper (26.7%), Hellfire Hands (26.9%).
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.