C
Cosmere Companion
gavel

Compendium

Rules Reference

The complete game mechanics of the Cosmere RPG — weapon traits, armor traits, conditions, actions, and core mechanics. Your single source of truth.

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swordsWeapon Traits(15)

fitness_center

Cumbersome

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Requires a minimum Strength score to wield effectively. If your Strength is too low, you suffer disadvantage on attacks and become Slowed.

Stormlight Handbook p.245
weapontrait
warning

Dangerous

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The GM can spend Complication to cause you to accidentally graze a nearby ally, dealing graze damage.

Stormlight Handbook p.245
weapontrait
skull

Deadly

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On a hit, you can spend Opportunity to immediately inflict an injury on the target.

Stormlight Handbook p.245
weapontrait
shield

Defensive

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Allows you to use the Brace action without needing nearby cover.

Stormlight Handbook p.245
weapontrait
visibility_off

Discreet

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Easier to hide and keep in secure settings. Grants advantage on tests to disguise, conceal, or retain this weapon.

Stormlight Handbook p.245
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broken_image

Fragile

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The GM can spend Complication to break this weapon after an attack is resolved.

Stormlight Handbook p.245
weapontrait
move_up

Indirect

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Can arc shots over cover and obscuring terrain. Targets cannot benefit from Brace against this weapon.

Stormlight Handbook p.245
weapontrait
inventory_2

Loaded

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Stores ammunition equal to [X]. Spend 1 ammo per ranged attack; reload as a free action. GM can spend Complication to reduce ammo to one shot.

Stormlight Handbook p.245
weapontrait
directions_run

Momentum

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Gain advantage on the attack if you moved at least 10 feet in a straight line toward the target this turn.

Stormlight Handbook p.245
weapontrait
back_hand

Offhand

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Costs only 1 focus (instead of 2) to Strike with this weapon when wielded in your offhand.

Stormlight Handbook p.245
weapontrait
bolt

Pierce

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This weapon's damage ignores the target's deflect value entirely.

Stormlight Handbook p.245
weapontrait
speed

Quickdraw

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You can draw this weapon as a free action using Interact.

Stormlight Handbook p.245
weapontrait
rocket_launch

Thrown

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Can be thrown as a ranged attack with short/long range brackets. Disadvantage beyond short range; weapon is lost until recovered.

Stormlight Handbook p.245
weapontrait
pan_tool

Two-Handed

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Must be wielded in two hands. Uses both hands when attacking.

Stormlight Handbook p.245
weapontrait
star

Unique

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This weapon has special rules detailed in its description or the Weapons table.

Stormlight Handbook p.245
weapontrait

shieldArmor Traits(4)

reportConditions(14)

heart_broken

Afflicted

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You slowly take damage over time from an ongoing harmful effect.

Stormlight Handbook p.293
conditioncombat
psychology

Determined

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When you fail a test, you can add an Opportunity to the result, then remove this condition.

Stormlight Handbook p.293
conditioncombat
blur_on

Disoriented

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Your senses are disrupted. You can't use reactions, your senses count as obscured, and Perception tests gain a disadvantage.

Stormlight Handbook p.293
conditioncombat
electric_bolt

Empowered

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Gained when a Knight Radiant swears an Ideal. You gain an advantage on all tests and your Investiture refills each turn.

Stormlight Handbook p.293
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trending_up

Enhanced

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One of your attributes temporarily increases. Cumulative -- multiple attributes can be Enhanced at once.

Stormlight Handbook p.293
conditioncombat
battery_0_bar

Exhausted

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You feel fatigued. Apply a penalty to all test results; the penalty reduces by 1 after each long rest.

Stormlight Handbook p.293
conditioncombat
center_focus_strong

Focused

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You are engaged and intent on your task. Abilities that cost focus have their cost reduced by 1.

Stormlight Handbook p.293
conditioncombat
block

Immobilized

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Your movement rate becomes 0. You can't move or be moved by other effects.

Stormlight Handbook p.293
conditioncombat
person

Prone

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You are lying flat on the ground. You are Slowed and melee attacks against you gain an advantage.

Stormlight Handbook p.293
conditioncombat
lock

Restrained

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Your movement rate becomes 0. You gain a disadvantage on all tests other than those to escape.

Stormlight Handbook p.294
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slow_motion_video

Slowed

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Your movement rate is halved. If Slowed mid-movement, halve remaining movement (rounded up).

Stormlight Handbook p.294
conditioncombat
flash_off

Stunned

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In combat, you lose reactions and gain two fewer actions. Out of combat, you move and react slower.

Stormlight Handbook p.294
conditioncombat
warning

Surprised

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You lose reactions, can't take a fast turn, and gain one fewer action. Removed after your next turn.

Stormlight Handbook p.294
conditioncombat
hotel

Unconscious

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Your movement rate becomes 0. You can't move, communicate, or interact, and you're unaware of your surroundings.

Stormlight Handbook p.294
conditioncombat

boltActions(10)

shield

Brace

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Hide behind nearby cover to impose a disadvantage on all attacks against you, lasting until you attack or move.

Stormlight Handbook p.302
actioncombat
logout

Disengage

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Carefully step 5 feet away from an enemy without triggering Reactive Strikes.

Stormlight Handbook p.302
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swipe

Dodge

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Use your reaction to attempt to evade an incoming attack.

Stormlight Handbook p.302
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trending_up

Gain Advantage

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Use a skill to seek the upper hand, granting an advantage on your next test against that enemy with a different skill.

Stormlight Handbook p.302
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pan_tool

Grapple

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Make an Athletics test to restrain a character within reach until they escape or you lose consciousness.

Stormlight Handbook p.303
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touch_app

Interact

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Quickly interact with a reachable object as a free action — open doors, draw weapons, pick up items. Usable multiple times per turn.

Stormlight Handbook p.302
actioncombat
directions_run

Move

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Move up to your movement rate. Crawling, climbing, swimming, or stealth movement makes you Slowed. Usable multiple times per turn.

Stormlight Handbook p.302
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timer

Ready

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Prepare a triggered response: choose a trigger and an action to use when it occurs before your next turn.

Stormlight Handbook p.303
actioncombat
swords

Strike

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Attack a target's Physical defense with an unarmed attack or weapon. Usable multiple times per turn with different hands; offhand costs 2 focus.

Stormlight Handbook p.302
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psychology

Use a Skill

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Spend an action to use a skill creatively on the battlefield — search, hide, treat wounds, and more.

Stormlight Handbook p.303
actioncombat

casinoCore Mechanics(16)

shield

Deflect

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A defensive value from armor that reduces incoming impact, keen, and energy damage, but not spirit or vital damage.

Stormlight Handbook p.47
defensearmor
content_cut

Keen Damage

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Slashing and piercing damage from bladed weapons and arrows, reduced by the target's deflect value.

Stormlight Handbook p.47
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gavel

Impact Damage

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Blunt force damage from hammers, maces, falls, and crushing, reduced by the target's deflect value.

Stormlight Handbook p.47
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local_fire_department

Energy Damage

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Damage from fire, lightning, extreme cold, and other elemental forces, reduced by the target's deflect value.

Stormlight Handbook p.47
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auto_awesome

Spirit Damage

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Damage that affects the soul directly, bypassing physical armor. Primarily dealt by Shardblades and not reduced by deflect unless Invested.

Stormlight Handbook p.47
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coronavirus

Vital Damage

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Internal damage from poison, disease, and similar effects that is not reduced by deflect.

Stormlight Handbook p.47
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straighten

Melee Range

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Attack a target within your reach (usually 5 feet) with a melee weapon. Some weapons extend reach with Melee [+X].

Stormlight Handbook p.245
rangecombat
gps_fixed

Ranged Attacks

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Fire at targets within short/long range. Attacks beyond short range or within an enemy's reach gain a disadvantage. Firing near allies raises Complication stakes.

Stormlight Handbook p.245
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star

Opportunity

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A positive outcome on a d20 roll of 20 that can be spent for extra benefits, including triggering weapon effects like Deadly.

Stormlight Handbook p.19
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warning

Complication

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A negative twist on a d20 roll of 1 that the GM can spend for narrative consequences, even on a successful test.

Stormlight Handbook p.19
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arrow_upward

Advantage

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Roll an additional d20 and use the higher result. Multiple advantages stack; advantages and disadvantages cancel one-for-one.

Stormlight Handbook p.17
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arrow_downward

Disadvantage

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Roll an additional d20 and use the lower result. Multiple disadvantages stack; advantages and disadvantages cancel one-for-one.

Stormlight Handbook p.17
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casino

Skill Test

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The core resolution mechanic: roll 1d20 + skill modifier against a DC or defense. Meet or exceed to succeed.

Stormlight Handbook p.15
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favorite

Health

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Your hit points. When reduced to 0, you suffer an injury and become Unconscious. Base health = 10 + Strength + bonuses.

Stormlight Handbook p.45
resourcecore
psychology

Focus

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A resource spent to activate special abilities and talents. Maximum = 2 + Willpower + bonuses. Recovered during rests.

Stormlight Handbook p.45
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bolt

Investiture

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The magical energy of Radiants, drawn from Stormlight in spheres. Used to fuel surges and Radiant abilities.

Stormlight Handbook p.45
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