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

Zomba
Bosstiary · NemesisBoss rewardCreature 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 · 1–25 · 100%
lion's mane · 1–2 · 100%
platinum coin · 1 · 25%
life ring · 1 · 12.5%