Astromancy Spellbook

Mordrak's Echoing Blast

1st-Level Astromancy

Casting Time: 1 action

1 action Range: 60 feet

60 feet Components: V, S

V, S Duration: Concentration, up to 1 minute.

You draw forth raw kinetic energy and hurl it at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 3d8 force damage. An inanimate object hit by this spell takes double damage.

As a bonus action on each of your turns that you maintain concentration on this spell you may make a second attack against the previous target dealing 1d8+ Casting Modifier force damage.

The spell cannot echo if the previous target is no longer a valid target.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, increase the damage of the initial attack by 1d8 for each level above 1st.

Gravity Well

1st-level astromancy

Casting Time: 1 reaction, which you take as yourself or an ally within 30 feet of you is attacked

1 reaction, which you take as yourself or an ally within 30 feet of you is attacked Range: 30 feet

30 feet Components: V

V Duration: Instantaneous

You speak a command word and rapidly manipulate gravity around the target to constantly shift and distort. Until the start of your next turn, melee and ranged attacks against the target suffer disadvantage.

Mordrak's Planar Rend

2nd-level astromancy

Casting Time: 1 action

1 action Range: 60 feet

60 feet Components: V, S, M (a pearlescent opal worth 100gp)

V, S, M (a pearlescent opal worth 100gp) Duration: Concentration, up to 1 minute

You create a rift between the planes, causing energy to flood in from all directions, damaging any caught in the area before the rend seals shut. Choose a 10-foot cube, creatures that begin their turn within the area of effect must succeed on a Dexterity saving throw or take 3d6 damage (half as much on a successful save) of a type determined by the opened plane. For each round that you concentrate on this spell beyond the first, increase the cube size by 5 feet in all directions.

You choose which plane is rent open at the time of casting.

Earth: Acid

Water: Cold

Fire: Fire

Air: Lightning

Ethereal: Force

Astral: Psychic

Baator: Necrotic

Celestia: Radiant

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d6 for each slot level above 2nd.

Foresight

2nd-level astromancy

Casting Time: 1 bonus action

1 bonus action Range: 30 feet

30 feet Components: V, S

V, S Duration: Instantaneous

You peer into the infinite and find a favorable outcome. Touch a willing creature, they gain advantage on their next attack roll or saving throw made within 1 minute.

Additionally, a roll of 18, 19, or 20 will result in a critical success.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, you may target one additional creature for each level above 2nd.

Event Horizon

3rd-level astromancy

Casting Time: 1 action

1 action Range: 5 feet

5 feet Components: V, S

V, S Duration: 1 minute

A willing creature you touch cannot drop below 1 hit point for the duration of the spell. At the end of the spell all damage that was prevented is then dealt to the target.

A creature that is already below 1 hit point cannot be targeted by this spell.

Summon Stardust Companion

3rd-level astromancy

Casting Time: 1 minute

1 minute Range: 5 feet

5 feet Components: V, S, M (A strip of copper, iron, and magnesium)

V, S, M (A strip of copper, iron, and magnesium) Duration: 8 hours

You summon a living mote of stardust that orbits your character for the spell's duration. The mote sheds bright light in a 5 foot radius, and dim light for an additional 5 feet. It disappears when it drops to 0 hit points, or when the spell ends.

Once per turn as a bonus action you can command the mote to attack any visible creature within 60 feet. Make a ranged spell attack against the target. On a hit, deal 2d4 force damage.

Additionally, while the mote orbits your character it grants advantage on Intellgence (Arcana) checks and one other Intelligence, Wisdom, or Charisma skill of your choosing.

The Stardust companion has an AC of 18, and 20 hitpoints. It shares saving throws with the caster.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d4 and the mote gains 5 additional HP for each level above 3rd.