Phantom Twinblade is the 25th most-used weapon under the current filters (1.2% of 1,137,517 recorded fights), winning 62.5% overall - 2.6% of its wins come against better-geared opponents.
Best against Redemption Staff (98.3%), Nature Staff (97.1%), Ironroot Staff (95.2%). Struggles against Glacial Staff (21.4%), Crystal Reaper (39.7%), Bow (40.4%).
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.