When you make an ability check using a skill, add your proficiency in that
skill to the check. Your proficiency in a skill equals your proficiency bonus
if you have proficiency with that skill, or twice your proficiency bonus if
you have expertise with that skill.
Acrobatics is for balancing and flexibility of the body. It is explicitly
used in jumping.
Animal Handling is for interacting with animals, especially mounts.
Arcana is for knowledge of, and reasoning about, magic. It is explicitly
used in the
identify spell reaction and the
study action.
Athletics is for feats of sport and strength. It is explicitly used in
climbing, jumping, grappling, and several unarmed attacks.
Deception is used for keeping a straight face and convincing people of
facts you know to be false. It is explicitly used in the
taunt action.
History is for knowledge of past people, places, and events. It is
explicitly used in the
study action.
Insight is for judging people's nature and intent. It is explicitly used in
the
search action.
Intimidation is for scaring others and making yourself appear more
threatening. It is explicitly used in the
frighten action.
Investigation is for finding information based on knowldge you already have
and readily available resources. It is explicitly used in
the
search action.
Medicine is for diagnosing and treating health problems. It is explicitly
used in the
heal action.
Nature is for knowledge of plants, beasts, and the environment. It is
explicitly used in the
study action.
Perception is for noticing things and using your physical senses. It is
explicitly used in the
search action and
hidden condition.
Performance is for acting a part or playing a musical instrument. It is
explicitly used in the
taunt action.
Persuasion is for inspiring others and converting them to your point of
view. It is explicitly used in the
taunt action.
Religion is for knowledge of religious rites, tenets, and scripture. It is
explicitly used in the
study action.
Sleight of hand is for subtle hand tricks and other acts requiring fine
motor control.
Stealth is for sneaking around. It is explicitly used in the
hide action.
Survival is for following tracks, navigating on foot, and obtaining
resources in the wilderness. It is explicitly used in the
search action.