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

The Plasmother
Bosstiary · NemesisBoss rewardCreature 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.
Plasmother's remains · 1 · 100%
demonic essence · 1 · 45%
soul orb · 1 · 35%
platinum coin · 1–13 · 25%
gold coin · 1–177 · 20%
black pearl · 1–3 · 5%
small sapphire · 1–3 · 5%