The Starless Index
A meticulous wizard's annotated grimoire holds the key to a vanished observatory and the dangerous spell its last astronomer tried to erase.
Spellbook · Wizard · Level 5
The Starless Index
A meticulous wizard's annotated grimoire holds the key to a vanished observatory and the dangerous spell its last astronomer tried to erase.

Ex librisMira VennWizard

At a glance
Level
5
Wizard
Spells
10
3 cantrips, 3 signature
Spell slots
1st level
2nd level
3rd level
At the table
A margin note
Plot hook
Spells
10 spellsCantrips
3- Hurl a mote of fire at a creature or object. On a hit, the target takes fire damage.
- Duration
- Instantaneous
- Target
- One creature or object
- Components
- V, S
- Save or attack
- Ranged spell attack
- Damage
- force
- Higher levels
- Damage increases to at character level 5.
- Source
- Player's Handbook
- On a hit, the target takes lightning damage and cannot take reactions until the start of its next turn.
- Duration
- Instantaneous
- Target
- One creature
- Components
- V, S
- Save or attack
- Melee spell attack; advantage if the target wears metal armor
- Damage
- lightning
- Higher levels
- Damage increases to at character level 5.
- Source
- Player's Handbook
- Create a sound or an image of an object within range. The image fits within a 5-foot cube and has no sensory effects beyond sight.
- Duration
- 1 minute
- Target
- A point within range
- Components
- S, M (a bit of fleece)
- Save or attack
- Investigation check against spell save DC to discern an image; no save for sound
- Higher levels
- No effect from using a higher-level spell slot.
- Source
- Player's Handbook
1st level
3- Gain +5 AC, including against the triggering attack, until the start of your next turn; take no damage from magic missile.
- Duration
- 1 round
- Target
- Self
- Components
- V, S
- Higher levels
- No effect from using a higher-level spell slot.
- Source
- Player's Handbook
- Sense magic within 30 feet. You can use an action to see a faint aura around visible magical creatures or objects and learn their school, if any.
- Duration
- Concentration, up to 1 hour
- Target
- Self, sensing within 30 feet
- Components
- V, S, M (a tiny ball of bat guano and sulfur)
- Higher levels
- No effect from using a higher-level spell slot.
- Source
- Player's Handbook
- Roll ; creatures in a 20-foot-radius sphere are affected in ascending order of current hit points until the total is exhausted. An affected creature falls unconscious until the spell ends, it takes damage, or someone uses an action to wake it.
- Duration
- 1 minute
- Target
- Creatures in a 20-foot-radius sphere
- Components
- V, S, M (a pinch of fine sand, rose petals, or a cricket)
- Higher levels
- Roll additional hit points for each slot level above 1st.
- Conditions
- Charmed
- Source
- Player's Handbook
2nd level
2- Briefly surrounded by silvery mist, teleport up to 30 feet to an unoccupied space you can see.
- Duration
- Instantaneous
- Target
- Self
- Components
- V
- Higher levels
- No effect from using a higher-level spell slot.
- Source
- Player's Handbook
- Fill a 20-foot cube with sticky webs. The area is difficult terrain and lightly obscured. Creatures that start their turn in the webs or enter them during their turn must make a Dexterity save or be restrained. A restrained creature can use its action to make a Strength check against the spell save DC to escape.
- Duration
- Concentration, up to 1 minute
- Target
- A point within range
- Components
- V, S, M (a tiny strip of white cloth)
- Save or attack
- Dexterity saving throw
- Higher levels
- The area increases by 5 feet for each slot level above 2nd.
- Conditions
- Restrained
- Source
- Player's Handbook
3rd level
2- A streak of fire erupts in a 20-foot-radius sphere. Each creature in the area makes a Dexterity save, taking fire damage on a failure or half as much on a success.
- Duration
- Instantaneous
- Target
- Creatures in a 20-foot-radius sphere centered on a point within range
- Components
- V, S, M (a tiny ball of bat guano and sulfur)
- Save or attack
- Dexterity saving throw; half damage on a success
- Damage
- fire
- Higher levels
- Damage increases by for each slot level above 3rd.
- Source
- Player's Handbook
- Attempt to interrupt a creature casting a spell. If the spell is 3rd level or lower, it fails; otherwise, make a spellcasting ability check against + the spell's level. On a success, it fails.
- Duration
- Instantaneous
- Target
- One creature casting a spell
- Components
- S
- Save or attack
- Ability check using your spellcasting ability for a spell of 4th level or higher when cast with a 3rd-level slot
- Higher levels
- A spell is automatically interrupted if its level is equal to or lower than the slot used. For a higher-level spell, make an ability check with + the spell's level.
- Source
- Player's Handbook
In the margins
3 notes
WarningIf the stars on this page shift, close the book before answering any voices.
DiaryThe cleanest formula is not always the safest one. Ask who benefits from its elegance.
DiagramShield geometry: three nested planes, each tilted a finger's width from the last.
The book itself
Its silver star clasp grows warm when a spell is cast nearby.
The pages smell faintly of ink, rain, and singed rosemary.
Some diagrams appear to redraw themselves when no one is watching.
The caster
WizardMira Venn
Studies: Arcane theory and protective spellcraftManner: Patient and courteous, with the alert gaze of someone always checking the room's angles and exits.Focus: A brass astrolabe with a cracked glass lens, used to trace spell geometry in the air.Quirk: She taps her astrolabe twice before making a decision, then quietly counts backward from seven.Wants: Find the missing observatory records before someone reconstructs the experiment that destroyed the original.Mira Venn was an apprentice cataloguer at a royal observatory until a celestial experiment went wrong and scattered its research. She salvaged this codex and has spent years annotating its spells with practical corrections and questions.
The book
A midnight-blue leather codex with brass corner guards and a silver clasp shaped like an eight-pointed star. Its pages are crowded with precise ink diagrams, while tiny constellations shimmer in the margins when viewed by candlelight.
Its wards · GM only
About the book
FormatHand-bound arcane codex
ThemeArcane
Written by aWizard
Caster level5
SystemDungeons & Dragons 5th Edition
Plot hooks
1A map hidden beneath the book's endpaper points to an abandoned observatory, but the map changes whenever the moon is new.
2A former mentor claims one of the book's diagrams is a cipher to a spell they once helped erase, and insists it must never be completed.
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