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

a dragon hatchling
Creature resistance values; world limits may adjust them. Negative values indicate a weakness.
Paralysis · 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 · 1–50 · 95.54%
dragon ham · 1 · 83.04%
dragon's tail · 1 · 3.57%
health tonic · 1 · 0.47%