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

a stalker
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.
gold coin · 1–8 · 13%
gilded dagger · 1–2 · 11.17%
blank rune · 1 · 8.67%
sunflare shield · 1 · 5.51%
brassforge legguards · 1 · 3.5%
miraculum · 1 · 1.55%
thorn spear · 1 · 1.21%
katana · 1 · 0.53%