In general, bonuses from the same (or a very similar) source do not
stack with each other. Penalties, however, do stack with each other.
Bonuses with the same name never stack.
For example, if you have two +1 Innate bonuses to Knowledge, you only
get +1. If you had a +2 and a +1 Innate bonus, you would get +2. If you
had a +1 Innate bonus and a +1 circumstance bonus, they would stack to
Ability boosts and drains are usually temporary modifications to ability
scores, such as Strength and Spirit. Some things cause permanent boosts
or drains, particularly Innate racial modifiers. While boosts and
drains modify your abilities, they do not change the skill points a
character gets every level.
Some creatures have ability scores marked with an asterisk (*) instead
of a number. This is because that creature has a nonability. This is
different from an ability score of zero.
A creature with a nonability in Strength This usually either means that
it has no physical body, or is completely immobile. If it has no
physical body, see Incorporeal in Creature Abilities for more
information. If it is immobile, it can't use weapons, objects, or
anything. An immobile creature uses it's Endurance for anything that
would require a Strength score. If it also has no endurance, it uses
: Creatures with no dexterity can't move. It applies its Intelligence to
anything that would normally require a Dexterity score, such as
A creature with no Endurance has no metabolism or other bodily
functions, and is generally treated as an object. It is not living in
the traditional sense. A creature with * endurance simply adds 3 to its
toughness instead of an endurance score, and uses its Strength in any
other place that would require an Endurance score. Creatures with *
Endurance never tire, have no need of sleep, food, drink, air, etc.;
are immune to poison, disease, and the like;
A creature with no intelligence has no thought beyond basic instincts
or instructions. It can never learn or improve. For example, if a horde
of zombies attack our intrepid heroes, and there trap between them and
the heroes, the zombies will continue to trigger the trap over and over
again. Creatures with * Intelligence use their Spirit instead of their
intelligence. Creatures with * Intelligence are not smart enough to
feel fear, and are therefore immune to any fear effect.
A creature with no spirit has no free will or soul. They use their
intelligence score instead of their spirit whenever one is necessary.
A character or creature with an ability score of 0 is almost always the
victim of some sort of disease, curse, or special attack. Depending on
the ability score, effects vary:
A character with zero strength is paralyzed. They cannot move at all,
cannot attack, or take any actions that cannot be accomplished
completely mentally. They cannot even speak, meaning they canét cast
spells except those that can be done silently. A character who hits
strength zero immediately collapses to the ground, all his muscles
Like a character with zero strength, a character with zero dexterity is
also paralyzed. The difference is that the characterés muscles remain
rigidly locked in their last position, but otherwise effects are
A character with zero endurance has no functioning metabolism and
severe organ failure. A character in this state falls unconscious in
1d4 rounds and dies 1d4 rounds later.
A character with zero intelligence is completely brain dead. They enter
a deep coma and remain there until their intelligence increases past
A creature with zero spirit gains the Broken condition until their
spirit increases past zero.