1-2

Poisonous Brew: The imbiber must roll a saving throw vs. poison with a penalty of -Roll 1d4 or die.

3-4

Chemical Reaction: The potions create a reaction within the body, causing internal chemical burns that inflict Roll 2d6 points of damage.

5

Hideous Result: The potions combine to alter the imbiber's body in a horrible and permanent way. It could be mild, such as causing mottled skin, or terrible, such as a withered limb, melted eyes, or unusual growths, etc. This time the general severity is...

Resolve: {MILD: the effects are usually only cosmetic|MODERATE: the effects may impose some penalties to abilites, attack rolls, etc|SEVERE: the effects cause major crippling or profound body alterations}.

6-15

No Effect: Both potions are rendered ineffective.

16-18

Normal Effect: Both potions function normally.

19

Greater Effect: One potion works Roll 1d10*10% more effectively, while the other has no effect.

20

Different Effect: The potions combine to create an entirely new effect. This mimics a potion of Roll on "Potions" at 150% normal efficiency, or a unique effect determined by the Labyrinth Lord.