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

Foreman Kneebiter
Bosstiary · NemesisCreature 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 · 1–100 · 90%
gilded buckler · 1 · 6.666%
iron ore · 1–2 · 2.5%