Every chest and monster that can drop Holy Sith Astrolabe, with the drop chance in each zone and Gyldening Intensity. A range means the rate shifts with party size and map district.

Treasure chests

Gilded Chest

Brandrgarde · Cataclysm1.9%–5.1%Hallowgrove · Chaos0.93%–2.6%Normal (either zone)0.38%–1.1%

Gift of Fate

Brandrgarde · Cataclysm0.01%–5.1%Hallowgrove · Chaos0.01%–2.6%Normal (either zone)0.01%–1.1%

Copper Chest

Hallowgrove · Chaos0.19%–3.3%Brandrgarde · Cataclysm0.39%–3.3%Normal (either zone)0.09%–1.1%

Silver Jar

Brandrgarde · Cataclysm2.9%Hallowgrove · Chaos0.73%Normal (either zone)0.35%

Silver Chest

Brandrgarde · Cataclysm0.93%–2.5%Hallowgrove · Chaos0.37%–1.0%Normal (either zone)0.12%–0.32%

Goods

Brandrgarde · Cataclysm0.01%–2.5%Hallowgrove · Chaos0.01%–1.0%Normal (either zone)0.01%–0.32%

Nobleman’s Chest

Brandrgarde · Cataclysm0.63%–1.7%Hallowgrove · Chaos0.19%–0.54%Normal (either zone)0.09%–0.26%

Spiked Rack

Brandrgarde · Cataclysm0.85%Hallowgrove · Chaos0.44%Normal (either zone)0.21%

Handcart

Brandrgarde · Cataclysm0.85%Hallowgrove · Chaos0.44%Normal (either zone)0.21%

Iron Chest

Hallowgrove · Chaos0.12%–0.62%Brandrgarde · Cataclysm0.23%–0.62%Normal (either zone)0.06%–0.29%

The Exiled

Brandrgarde · Cataclysm0.01%–0.62%Hallowgrove · Chaos0.01%–0.32%Normal (either zone)0.01%–0.15%

Military Chest

Brandrgarde · Cataclysm0.23%–0.62%Hallowgrove · Chaos0.12%–0.32%Normal (either zone)0.06%–0.15%

Shipwreck

Brandrgarde · Cataclysm0.23%–0.62%Hallowgrove · Chaos0.12%–0.32%Normal (either zone)0.06%–0.15%

Forgotten Tomb

Brandrgarde · Cataclysm0.23%–0.62%Hallowgrove · Chaos0.12%–0.32%Normal (either zone)0.06%–0.15%

Mistchaser's Satchel

Brandrgarde · Cataclysm0.16%Hallowgrove · Chaos0.08%Normal (either zone)0.03%

Iron Pot

Brandrgarde · Cataclysm0.05%Normal (either zone) / Hallowgrove · Chaos0.02%

Open Sack

Brandrgarde · Cataclysm0.05%Normal (either zone) / Hallowgrove · Chaos0.02%

Wicker Basket

Brandrgarde · Cataclysm0.05%Normal (either zone) / Hallowgrove · Chaos0.02%

Timber Chest

Brandrgarde · Cataclysm0.01%–0.04%Hallowgrove · Chaos0.01%–0.02%Normal (either zone)0.01%

Civilian Chest

Brandrgarde · Cataclysm0.01%–0.04%Hallowgrove · Chaos0.01%–0.02%Normal (either zone)0.01%

Monsters

Flesheater

Brandrgarde · Cataclysm0.95%–2.0%Hallowgrove · Chaos0.16%–1.2%Hallowgrove · Normal0.02%–0.06%Brandrgarde · Normal0.03%–0.06%

General Harald, Sálmar, the Cursed Moonwane

Brandrgarde · Cataclysm1.2%–2.0%Hallowgrove · Chaos0.80%–1.2%Hallowgrove · Normal0.03%–0.06%Brandrgarde · Normal0.06%

Tyrannical Executioner, Twinblade Warrior Statue, Soulgnawer

Brandrgarde · Cataclysm0.95%Hallowgrove · Chaos0.16%–0.34%Hallowgrove · Normal0.02%–0.03%Brandrgarde · Normal0.03%

Gylden Corroded Soldier, Berserker, Strawer Chief, Fungus Matron +3 more

Brandrgarde · Cataclysm0.31%–0.84%Hallowgrove · Chaos0.09%–0.42%Normal (either zone)0.01%–0.02%

Frenzied Wizard

Brandrgarde · Cataclysm0.23%–0.63%Hallowgrove · Chaos0.03%–0.32%

Parading Corpse, Elite Corroded Soldier, Elite Corroded Priest, Elite Corroded Archer +8 more

Brandrgarde · Cataclysm0.04%–0.10%Hallowgrove · Chaos0.02%–0.07%Normal (either zone)0.00%

Corroded Soldier, Sacred Chamber Priest, Corroded Guard, Corroded Archer +9 more

Brandrgarde · Cataclysm0.00%–0.01%Hallowgrove · Chaos0.00%

Rates are the chance per chest opened or monster looted. Low rolls also build up the drop guarantee, which upgrades a future drop to Legendary once it fills.