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

The Souldespoiler
Bosstiary · ArchfoeBoss 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.
gold coin · 1–200 · 100%
mysterious remains · 1 · 100%
odd organ · 1 · 100%
plasma pearls · 1 · 100%
spark sphere · 1 · 80%
great mana elixir · 1–10 · 33.721%
platinum coin · 1–35 · 29.84%
yellow gem · 1 · 29.46%
ultimate health tonic · 1–10 · 27.652%
giant shimmering pearl · 1 · 26.9%
great soul essence · 1–10 · 25.69%
blue gem · 1 · 21.892%
instable proto matter · 1 · 20%
spiked squelcher · 1–2 · 16.892%
energy bar · 1–3 · 16.872%
pyrestorm boots · 1 · 15.89%
small amethyst · 1–10 · 14.7%
small emerald · 1–10 · 14.7%
sapphire hammer · 1 · 14%
small sapphire · 1–10 · 13.79%
prismatic quartz · 1–10 · 13.39%
rift spear · 1 · 13.2%
small diamond · 1–10 · 12.76%
small amethyst · 1–10 · 12.259%
small topaz · 1–10 · 11.52%
talon sword · 1 · 9.7%
gravebone rod · 1 · 9.51%
curious matter · 1–10 · 8.92%
defiancewarden sceptre · 1 · 8.92%
defiancewarden sceptre · 1 · 8.723%
spellbook of lost souls · 1 · 7.89%
shield of venomguard · 1 · 7.27%
bloodfang sword · 1 · 3.775%
silver token · 1 · 2.32%
gold token · 1 · 1.532%
Riftcoil Arbalest · 1 · 0.762%
dusk barrier · 1 · 0.15%