Astral Staff is the 100th most-used weapon under the current filters (0.2% of 867,200 recorded fights), winning 52.2% overall - 5.0% of its wins come against better-geared opponents.
Best against Hallowfall (96.2%), Holy Staff (74.2%), Realmbreaker (72.0%). Struggles against Bow (13.3%), Hellfire Hands (17.4%), Crystal Reaper (21.7%).
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.