Base creature values. Events, world settings, difficulty and loot bonuses can change an encounter.

a sandstone scorpion
Creature resistance values; world limits may adjust them. Negative values indicate a weakness.
Invisibility
Base chance per roll, not a guaranteed reward. Bonuses, world multipliers and boss participation change the result. Charged items use their own quantities. Container contents also require the container to drop.
gold coin · 1–128 · 92.59%
platinum coin · 1–2 · 10.75%
daramian mace · 1 · 5.1%
ironforge hood · 1 · 4.62%
the abyssbone buckler · 1 · 1.82%
small emerald · 1–2 · 1.1%
silver spear · 1 · 0.65%
fist on a stick · 1 · 0.22%