Every chest and monster that can drop Abyssal Dragon Egg, 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 Chestbest: Drill Yard, Melting Quarter, Abyssal Reach (North)

Brandrgarde · Cataclysm0.32%–1.1%Hallowgrove · Chaos0.21%–0.70%Normal (either zone)0.10%–0.34%

Gift of Fatebest: Drill Yard, Melting Quarter, Abyssal Reach (North)

Brandrgarde · Cataclysm0.00%–1.1%Hallowgrove · Chaos0.00%–0.70%Normal (either zone)0.00%–0.34%

Copper Chest

Hallowgrove · Chaos0.06%–0.98%Brandrgarde · Cataclysm0.11%–0.98%Normal (either zone)0.03%–0.34%

Silver Chestbest: Drill Yard, Melting Quarter, Abyssal Reach (North)

Brandrgarde · Cataclysm0.21%–0.70%Hallowgrove · Chaos0.13%–0.45%Normal (either zone)0.04%–0.14%

Fungus

Brandrgarde · Cataclysm0.02%–0.70%Hallowgrove · Chaos0.01%–0.38%Normal (either zone)0.00%–0.20%

Goods

Brandrgarde · Cataclysm0.00%–0.70%Hallowgrove · Chaos0.00%–0.45%Normal (either zone)0.00%–0.14%

Nobleman’s Chest

Brandrgarde · Cataclysm0.11%–0.35%Hallowgrove · Chaos0.06%–0.19%Normal (either zone)0.03%–0.10%

Iron Chest

Hallowgrove · Chaos0.03%–0.19%Brandrgarde · Cataclysm0.06%–0.19%Normal (either zone)0.01%–0.10%

The Exiled

Brandrgarde · Cataclysm0.00%–0.19%Hallowgrove · Chaos0.00%–0.09%Normal (either zone)0.00%–0.03%

Military Chest

Brandrgarde · Cataclysm0.06%–0.19%Hallowgrove · Chaos0.03%–0.09%Normal (either zone)0.01%–0.03%

Shipwreck

Brandrgarde · Cataclysm0.06%–0.19%Hallowgrove · Chaos0.03%–0.09%Normal (either zone)0.01%–0.03%

Forgotten Tomb

Brandrgarde · Cataclysm0.06%–0.19%Hallowgrove · Chaos0.03%–0.09%Normal (either zone)0.01%–0.03%

Mistchaser's Satchel

Brandrgarde · Cataclysm0.04%Hallowgrove · Chaos0.02%Normal (either zone)0.01%

Thermal Vent

Brandrgarde · Cataclysm0.02%Hallowgrove · Chaos0.01%Normal (either zone)0.00%

Hollow Stump

Brandrgarde · Cataclysm0.02%Hallowgrove · Chaos0.01%Normal (either zone)0.00%

Timber Chest

Brandrgarde · Cataclysm0.00%–0.01%Normal (either zone) / Hallowgrove · Chaos0.00%

Civilian Chest

Brandrgarde · Cataclysm0.00%–0.01%Normal (either zone) / Hallowgrove · Chaos0.00%

Monsters

Flesheater

Brandrgarde · Cataclysm0.01%–0.08%Hallowgrove · Chaos0.01%–0.06%Normal (either zone)0.00%–0.01%

General Harald, Sálmar, the Cursed Moonwane

Brandrgarde · Cataclysm0.05%–0.08%Hallowgrove · Chaos0.02%–0.06%Normal (either zone)0.01%

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

Brandrgarde · Cataclysm0.01%–0.03%Hallowgrove · Chaos0.00%–0.02%

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

Hallowgrove · Chaos / Brandrgarde · Cataclysm0.00%–0.01%

Tyrannical Executioner, Twinblade Warrior Statue, Soulgnawer

Hallowgrove · Chaos / Brandrgarde · Cataclysm0.01%Normal (either zone)0.00%

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.