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

The Crypt Prelate
Bosstiary · ArchfoeBoss rewardCreature resistance values; world limits may adjust them. Negative values indicate a weakness.
Paralysis · Transformation · 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.
masterwork pendulum resonator · 1 · 0.05%
antiphon hood · 1 · 0.05%
basaltwatch boots · 1 · 0.05%