Secret Lesson 6

Saving Throws: Resisting Threats, Hazards, and Effects

You have already learned the first major type of D20 Test:

Ability Checks

Now we move to the second:

SAVING THROWS

A Saving Throw, often shortened to save, represents a creature attempting to resist or avoid a dangerous effect.

Unlike many Ability Checks, a Saving Throw is usually not something your character decides to attempt.

Instead, something happens to you, and the rules tell you to make a save because your character is in danger.

The SRD gives examples such as:

  • avoiding a fiery explosion

  • resisting poisonous gas

  • defending your mind against an intrusive spell

WHAT IS A SAVING THROW?

A Saving Throw answers a question like:

Can you resist this effect?

or:

Can you avoid the worst of it?

or:

Can your body or mind withstand what is happening?

A save is still a D20 Test, so it uses the same basic structure you already know:

d20

+ Relevant Ability Modifier

+ Proficiency Bonus, if you are proficient in that save

+ Other applicable modifiers

= Saving Throw Total

Then compare the total with a:

DIFFICULTY CLASS — DC

If:

Total ≥ DC

the save succeeds.

If:

Total < DC

the save fails.

What success or failure actually does depends on the effect that caused the Saving Throw.

SAVING THROWS ARE REACTIVE

This is one of the biggest differences between an Ability Check and a Saving Throw.

An Ability Check often begins because the character decides:

“I want to do this.”

A Saving Throw usually begins because:

“Something dangerous is happening to me.”

For example:

Ability Check

“I try to climb the wall.”

You are choosing to attempt something.

Saving Throw

“The floor suddenly collapses beneath you. Make a Dexterity Saving Throw.”

You did not choose for the floor to collapse.

You are reacting to danger.

YOU NORMALLY DON'T CHOOSE TO MAKE A SAVE

The SRD states that you normally make a Saving Throw because your character, or a monster controlled by the GM, is at risk.

That means players do not normally announce:

“I make a Wisdom Saving Throw.”

Instead, a spell, hazard, monster ability, or another rule tells you when a Saving Throw is required.

THE EFFECT TELLS YOU WHAT HAPPENS

Passing or failing a Saving Throw does not always produce the same result.

The rule that caused the save tells you what happens.

For example, one effect might say that a successful save completely avoids its consequence.

Another might reduce the damage.

Another might prevent a condition.

Another might shorten or weaken an effect.

The important principle is:

THE SAVING THROW DOES NOT DEFINE THE CONSEQUENCE.

THE EFFECT THAT CAUSED THE SAVE DOES.

The SRD explicitly states that a save's result is described by the effect that caused it.

YOU CAN CHOOSE TO FAIL A SAVE

The SRD 5.2.1 includes an important rule:

If you do not want to resist an effect, you may choose to fail the Saving Throw without rolling.

This means not every Saving Throw must be resisted.

Sometimes a creature may willingly accept an effect.

In that case:

no d20 roll is required.

You simply choose to fail.

EXAMPLE — CHOOSING TO FAIL

Imagine an ally uses an effect that requires you to make a Saving Throw.

You understand what the effect will do and want it to affect you.

If the rules allow that situation to use the general Saving Throw rule, you can choose not to resist.

Instead of rolling:

you voluntarily fail the save.

This is different from failing because of a poor roll.

You are intentionally accepting the effect.

SAVING THROWS USE THE SIX ABILITIES

Just like Ability Checks, Saving Throws are tied to the six abilities.

There are therefore six types of save:

Strength Saving Throw

Dexterity Saving Throw

Constitution Saving Throw

Intelligence Saving Throw

Wisdom Saving Throw

Charisma Saving Throw

The SRD gives a general example of what each ability typically resists.

STRENGTH SAVING THROWS

Resist Direct Physical Force

A Strength Saving Throw is associated with physically resisting direct force.

Think of situations where something is trying to:

  • push you

  • move you

  • overpower you physically

The important concept is:

STRENGTH SAVE = RESIST PHYSICAL FORCE

EXAMPLE

A powerful effect tries to throw your character backward.

The rule might call for:

Strength Saving Throw

Your character uses:

d20 + Strength Modifier

plus Proficiency Bonus if proficient in Strength saves.

DEXTERITY SAVING THROWS

Dodge Out of Harm's Way

A Dexterity Saving Throw represents attempting to get out of danger quickly enough to avoid or reduce an effect.

Think:

  • sudden explosions

  • collapsing hazards

  • effects you can physically evade

The broad idea is:

DEXTERITY SAVE = DODGE DANGER

EXAMPLE

A burst of dangerous energy erupts across the area.

The effect tells everyone affected:

Make a Dexterity Saving Throw.

You roll:

d20 + Dexterity Modifier

plus Proficiency Bonus if you are proficient in Dexterity saves.

The effect then tells you what success or failure means.

CONSTITUTION SAVING THROWS

Endure a Toxic Hazard

A Constitution Saving Throw represents enduring something that attacks your physical resilience.

The SRD's example is resisting a toxic hazard.

This makes Constitution especially relevant when your body must withstand a harmful influence rather than dodge it.

Think:

  • poison

  • toxins

  • extreme physical strain

  • effects that attack endurance

The broad concept is:

CONSTITUTION SAVE = ENDURE PHYSICAL HARM

EXAMPLE

Your character inhales a dangerous gas.

The effect calls for:

Constitution Saving Throw

You use:

d20 + Constitution Modifier

plus Proficiency Bonus if proficient in Constitution saves.

INTELLIGENCE SAVING THROWS

Recognize an Illusion as False

The SRD gives recognizing an illusion as fake as an example of an Intelligence Saving Throw.

This involves resisting certain effects through reasoning or mental recognition.

The broad idea is:

INTELLIGENCE SAVE = RESIST THROUGH REASONING OR MENTAL RECOGNITION

EXAMPLE

A magical effect attempts to deceive your mind with something that isn't real.

If that effect calls for an Intelligence save:

d20 + Intelligence Modifier

plus Proficiency Bonus if proficient in Intelligence saves.

WISDOM SAVING THROWS

Resist Mental Assault

The SRD associates Wisdom Saving Throws with resisting mental attacks.

This can represent mental fortitude against effects that try to influence, frighten, manipulate, or assault the mind when the rule specifically calls for Wisdom.

The broad concept is:

WISDOM SAVE = RESIST MENTAL ASSAULT

EXAMPLE

A hostile magical effect attempts to invade your thoughts.

The rule says:

Make a Wisdom Saving Throw.

You roll:

d20 + Wisdom Modifier

plus Proficiency Bonus if proficient in Wisdom saves.

CHARISMA SAVING THROWS

Assert Your Identity

The SRD describes Charisma Saving Throws as being used to assert your identity.

This is a more unusual concept for beginners.

Charisma is not only about social charm.

It also represents aspects of presence and force of personality.

In certain magical situations, resisting an effect may depend on maintaining or asserting that sense of self.

The broad idea is:

CHARISMA SAVE = ASSERT YOUR IDENTITY OR PRESENCE

COMPLETE SAVING THROW REFERENCE

Saving Throw General SRD Example
Strength Physically resist direct force
Dexterity Dodge out of harm's way
Constitution Endure a toxic hazard
Intelligence Recognize an illusion as fake
Wisdom Resist a mental assault
Charisma Assert your identity

THE EFFECT CHOOSES THE ABILITY

You normally do not choose whichever Saving Throw is best for your character.

The effect tells you which ability to use.

For example, if a spell says:

Dexterity Saving Throw

you use Dexterity.

You do not replace it with Constitution simply because your Constitution modifier is better.

The ability named by the effect determines the save.

SAVING THROW PROFICIENCY

Every creature has Ability Modifiers.

But some creatures also have Saving Throw Proficiencies.

If you are proficient in the Saving Throw being made:

ADD YOUR PROFICIENCY BONUS

If you are not proficient:

DO NOT ADD IT

The SRD states this directly.

EXAMPLE — PROFICIENT SAVE

Suppose your character has:

Wisdom Modifier: +3

Proficiency Bonus: +2

and is proficient in:

Wisdom Saving Throws

The effect requires:

DC 14 Wisdom Saving Throw

You roll:

10

Calculation:

10 + 3 + 2 = 15

Because:

15 ≥ 14

the save succeeds.

EXAMPLE — NOT PROFICIENT

Another character has:

Wisdom Modifier: +3

but is not proficient in Wisdom saves.

They roll the same:

10

Calculation:

10 + 3 = 13

Because:

13 < 14

the save fails.

Again:

proficiency can make the difference.

SAVING THROW PROFICIENCY DOES NOT MEAN ADVANTAGE

This is an important beginner distinction.

If you are proficient in a save:

you add Proficiency Bonus.

You do not automatically gain Advantage.

Those are different mechanics.

Proficiency

Adds a numerical bonus.

Advantage

Changes how the d20 is rolled.

We will study Advantage in Lesson 8.

WHERE DO SAVING THROW PROFICIENCIES COME FROM?

For player characters, your class gives you Saving Throw proficiencies.

The SRD states that every class grants proficiency in at least two kinds of Saving Throw.

These proficiencies represent areas in which that class has particular training or resilience.

For example, the SRD notes that Wizards are proficient in:

Intelligence Saving Throws

and

Wisdom Saving Throws

reflecting their training against mental threats.

We will study the exact proficiencies of each class when we reach the class lessons.

MONSTERS CAN ALSO HAVE SAVE PROFICIENCIES

Player characters are not the only creatures that can be proficient in Saving Throws.

Monsters can also have them.

When they do, those proficiencies appear in the monster's stat block.

That means the same core system applies to both player characters and monsters.

THE SAVING THROW FORMULA

A normal Saving Throw can be summarized as:

1d20

+ Relevant Ability Modifier

+ Proficiency Bonus, if proficient in that save

+ Other applicable bonuses or penalties

= Saving Throw Total

Then:

Compare Saving Throw Total with DC

If:

Total ≥ DC

SUCCESS

If:

Total < DC

FAILURE

Then consult the effect to determine what that result means.

DIFFICULTY CLASS FOR SAVING THROWS

Saving Throws use a:

DIFFICULTY CLASS — DC

The DC is the number you must meet or exceed.

But unlike many Ability Checks, the DC of a Saving Throw is often already established by the effect that caused it.

The SRD states that a Saving Throw DC is determined by:

  • the effect causing the save

  • or the GM

SPELL SAVING THROW DCs

When a spell forces a Saving Throw, the DC is determined by the spellcaster's:

spellcasting ability

and

Proficiency Bonus.

We will learn the complete spellcasting formulas much later in the course.

For now, the important point is:

the target does not choose the spell's DC.

The spellcaster's statistics determine it according to the spellcasting rules.

MONSTER ABILITY SAVE DCs

Monster abilities can also force Saving Throws.

When they do, the monster's ability specifies the DC.

For example, a monster ability might say:

DC 15 Constitution Saving Throw

Everything you need is already there:

Ability

Constitution

Target Number

DC 15

Now the affected creature rolls the save.

COMPLETE EXAMPLE — MONSTER EFFECT

Suppose a monster ability says:

DC 15 Strength Saving Throw

Your character has:

Strength Modifier +3

and is proficient in Strength saves.

Their Proficiency Bonus is:

+2

You roll:

9

Calculation:

9 + 3 + 2 = 14

Target:

15

Because:

14 < 15

you fail.

Now consult the monster ability to see what failure does.

COMPLETE EXAMPLE — SUCCESS

Same save:

DC 15 Strength

You roll:

12

Strength Modifier:

+3

Proficiency Bonus:

+2

Total:

17

Because:

17 ≥ 15

you succeed.

Again, the effect itself determines what successful resistance means.

SUCCESS DOES NOT ALWAYS MEAN “NOTHING HAPPENS”

This is very important.

A successful Saving Throw does not universally mean that you avoid the effect completely.

Sometimes success may mean:

  • no effect

  • reduced damage

  • avoiding a condition

  • a weaker version of the effect

  • another result specified by the rule

Always read the effect.

The D20 Test tells you:

success or failure

The effect tells you:

the consequence of success or failure.

FAILURE DOES NOT ALWAYS MEAN THE SAME THING

Likewise, a failed save could lead to:

  • taking full damage

  • receiving a condition

  • being moved

  • becoming affected by magic

  • suffering some other consequence

There is no universal “Saving Throw failure effect.”

The rule causing the save defines it.

ABILITY CHECK VS. SAVING THROW

Let's compare them directly.

ABILITY CHECK

Usually represents:

trying to accomplish something

Example:

“I try to force the door open.”

SAVING THROW

Usually represents:

trying to resist something happening to you

Example:

“The magical blast hits the area. Make a Dexterity Saving Throw.”

SAME D20 ENGINE, DIFFERENT PURPOSE

Mechanically, both are D20 Tests.

Both can use:

d20 + Ability Modifier + applicable modifiers

Both normally compare the result to a:

DC

But they represent different things in the game.

This is why terminology matters.

AN ABILITY CHECK BONUS DOES NOT AUTOMATICALLY APPLY TO SAVES

Suppose a feature says:

“You gain +2 to Ability Checks.”

That does not automatically give:

+2 to Saving Throws

because Ability Checks and Saving Throws are different categories of D20 Test.

If a rule says:

“You gain +2 to D20 Tests”

then it can apply more broadly because Saving Throws are D20 Tests.

Always read the exact wording.

YOUR ABILITY MODIFIER ALWAYS MATTERS

Even if you are not proficient in a particular Saving Throw, you still use the relevant Ability Modifier.

For example:

You have:

Dexterity 16

so:

Dexterity Modifier +3

You are not proficient in Dexterity saves.

A spell requires a Dexterity save.

You still roll:

d20 +3

You simply don't add Proficiency Bonus.

A NEGATIVE MODIFIER CAN APPLY TOO

Suppose:

Wisdom 8

gives:

Wisdom Modifier −1

You are not proficient in Wisdom Saving Throws.

The effect calls for:

DC 13 Wisdom Saving Throw

You roll:

12

Calculation:

12 − 1 = 11

The save fails.

Negative Ability Modifiers work exactly as you learned earlier.

OTHER BONUSES AND PENALTIES

Saving Throws are D20 Tests.

Therefore, other rules can sometimes modify them.

A class feature, spell, magic item, condition, or another rule may provide:

  • a bonus

  • a penalty

  • Advantage

  • Disadvantage

  • another special modification

Always apply the rules that specifically affect the save being made.

SAVING THROWS IN PLAY

Saving Throws appear throughout the game.

You will encounter them in:

  • spells

  • monster abilities

  • environmental hazards

  • traps

  • poisons

  • magical effects

  • conditions

  • class features

  • magic items

This is why understanding them early is so important.

EXAMPLE — ENVIRONMENTAL HAZARD

The party enters a dangerous environment.

A harmful effect forces:

Constitution Saving Throw

The player doesn't decide whether a different ability would be more appropriate.

The effect has already chosen Constitution.

The player rolls the save.

The outcome determines how well the character resists the hazard.

EXAMPLE — MENTAL MAGIC

A spell attacks a character's mind.

The spell requires:

Wisdom Saving Throw

The character uses their Wisdom modifier.

If proficient in Wisdom saves:

add Proficiency Bonus.

Compare the result with the spell's DC.

Then apply the spell's listed result.

EXAMPLE — DODGING AN EFFECT

A sudden effect fills part of the battlefield.

It requires:

Dexterity Saving Throw

The character rolls.

A high enough total represents successfully resisting or avoiding the effect according to that rule.

THE GM DOES NOT INVENT A DIFFERENT SAVE IF THE RULE ALREADY SPECIFIES ONE

If a rule says:

Constitution Saving Throw

use Constitution.

If it says:

Wisdom Saving Throw

use Wisdom.

The GM may determine a DC in situations where the rules call for that judgment, but a specific effect's instructions take precedence.

Remember Lesson 2:

SPECIFIC RULES OVERRIDE GENERAL RULES

HOW TO RESOLVE A SAVING THROW STEP BY STEP

When something forces your character to make a save:

STEP 1 — READ THE EFFECT

Identify:

  • which ability the save uses

  • what the DC is

  • what success does

  • what failure does

STEP 2 — ROLL 1D20

Unless another rule changes the roll.

STEP 3 — ADD THE ABILITY MODIFIER

Use the ability named by the Saving Throw.

STEP 4 — CHECK PROFICIENCY

If you are proficient in that Saving Throw:

add your Proficiency Bonus.

If not:

do not add it.

STEP 5 — APPLY OTHER MODIFIERS

Add any other bonuses or penalties that specifically affect the save.

STEP 6 — COMPARE WITH THE DC

If:

Total ≥ DC

the Saving Throw succeeds.

If:

Total < DC

it fails.

STEP 7 — APPLY THE EFFECT

The rule that caused the save tells you what happens next.

QUICK REFERENCE EXAMPLE

Effect:

DC 16 Constitution Saving Throw

Character:

Constitution Modifier +3

Proficiency Bonus +2

Proficient in Constitution Saves

Roll:

12

Calculation:

12 + 3 + 2 = 17

Result:

17 ≥ 16

SUCCESS

Now read the effect to determine the result of that successful save.

COMMON BEGINNER MISTAKES

MISTAKE 1 — CHOOSING YOUR BEST SAVING THROW

You cannot normally replace the required save with whichever ability is highest.

The effect specifies the ability.

MISTAKE 2 — ADDING PROFICIENCY TO EVERY SAVE

Only add Proficiency Bonus if you are proficient in that specific Saving Throw.

MISTAKE 3 — CONFUSING SAVES WITH ABILITY CHECKS

They use a similar formula but represent different categories of D20 Test.

MISTAKE 4 — THINKING SUCCESS ALWAYS NEGATES THE EFFECT

Read the effect.

A successful save may still have consequences.

MISTAKE 5 — THINKING FAILURE ALWAYS MEANS DAMAGE

Saving Throws can resist many different effects.

Failure could cause damage, a condition, movement, magical influence, or something else entirely.

MISTAKE 6 — FORGETTING YOU CAN CHOOSE TO FAIL

The SRD allows a creature to choose to fail a Saving Throw if it doesn't want to resist the effect.

LESSON 6 — KEY TAKEAWAYS

SAVING THROWS ARE D20 TESTS

They are one of the three main D20 Test categories.

THEY REPRESENT RESISTING OR EVADING THREATS

Saving Throws usually happen because something dangerous is affecting your character.

YOU NORMALLY DON'T CHOOSE WHEN TO MAKE ONE

A rule, spell, hazard, monster ability, or other effect tells you when a Saving Throw is required.

THERE ARE SIX SAVING THROWS

Strength — resist direct physical force.

Dexterity — dodge out of harm's way.

Constitution — endure physical or toxic hazards.

Intelligence — recognize certain deceptive mental effects such as illusions.

Wisdom — resist mental assault.

Charisma — assert your identity.

PROFICIENCY MATTERS

If you are proficient in the required Saving Throw:

add your Proficiency Bonus.

If not:

use the Ability Modifier without that bonus.

CLASSES GRANT SAVING THROW PROFICIENCIES

Each class gives proficiency in at least two Saving Throws.

MONSTERS CAN ALSO HAVE THEM

Their Saving Throw proficiencies appear in their stat blocks.

SAVES USE DIFFICULTY CLASS

The effect or the GM determines the DC.

Spells determine their save DC through the caster's spellcasting rules.

Monster abilities specify their save DCs.

MEETING THE DC SUCCEEDS

Total ≥ DC = success

THE EFFECT DETERMINES THE CONSEQUENCES

Always read what the rule says happens on:

a successful save

and

a failed save.

YOU MAY CHOOSE TO FAIL

If you don't want to resist an effect, the SRD allows you to fail the save voluntarily without rolling.

NEXT LESSON

LESSON 7 — ATTACK ROLLS, ARMOR CLASS, NATURAL 20s, AND NATURAL 1s

We have now studied two of the three D20 Tests:

Ability Checks

and

Saving Throws

Next comes the third:

ATTACK ROLLS

In Lesson 7, we will learn:

  • how an Attack Roll determines whether an attack hits

  • which Ability Modifier different attacks use

  • when Proficiency Bonus is added

  • how Armor Class works

  • the basic AC formula

  • how armor, spells, magic items, and features can modify AC

  • why only one base AC calculation can be active

  • how Natural 20s work

  • how Natural 1s work

  • the relationship between Natural 20s and Critical Hits

This is where the core D20 system begins connecting directly to combat.

SRD 5.2.1 ATTRIBUTION

This work includes material from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, available at https://www.dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/legalcode.