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

man in the cave
Bosstiary · NemesisBoss rewardCan hasten itself with a defensive ability.
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.
rope · 1–3 · 100%
brass sword · 1 · 38%
brown piece of cloth · 1 · 30%
gold coin · 1–39 · 30%
fur cap · 1 · 15%
shard · 1 · 8%