Delerium Orb
1st level contaminated evocation
Contaminated Spell: When you cast this spell, you gain one level of contamination.
Casting Time: 1 action
Range: 120 feet
Components: V, S, M (a delerium fragment worth 100 gp, which the spell consumes)
Duration: Instantaneous
Effect: You draw chaotic magical power from the delerium fragment held in your hand, and blast a creature you can see within range with paradoxical power. Choose one ability score, then choose cold, fire, lightning, necrotic, psychic, or radiant damage. The target must succeed on a saving throw using the chosen ability score; it takes 6d6 damage of the chosen type on a failed saving throw, or half as much on a successful one.
At Higher Levels: When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 2d6 for each slot level above 1st.
Researching the Spell: A character who can cast 1st level spells can research delerium orb. To complete the research, the caster must spend 5 days of downtime and 250 gp.

Warp Bolt
2nd level contaminated evocation
Contaminated Spell: When you cast this spell, you gain one level of contamination.
Casting Time: 1 action
Range: 60 feet
Components: V, S, M (a delerium fragment worth 100 gp, which the spell consumes)
Duration: Concentration, up to 1 minute
Effect: An arcing bolt of octarine lightning strikes a creature within range. If the target has one or more contamination levels, it is hit automatically. Otherwise, make a ranged spell attack against that creature. On a hit, the target takes 6d6 necrotic damage and gains one level of contamination. You can create a new bolt of lightning as your action on any turn until the spell ends.
At Higher Levels: When you cast this spell using a spell slot of 3rd level or higher, you can target 1 additional creature for each spell level above 2nd.
Researching the Spell: A character who can cast 2nd level spells and knows delerium orb can research warp bolt. To complete the research, the caster must spend 10 days of downtime and 500 gp.

Ride the Rifts
3rd level contaminated conjuration
Contaminated Spell: When you cast this spell, you gain one level of contamination.
Casting Time: 1 action
Range: Self, 60-foot line
Components: V, S, M (a delerium fragment worth 100 gp, which the spell consumes)
Duration: Instantaneous
Effect: A stroke of eldritch lightning forming a line 60 feet long and 5 feet wide blasts out from you in a direction you choose. Each creature in the line must succeed on a Dexterity saving throw. A creature takes 10d6 lightning damage on a failed save, or half as much damage on a successful one. You then teleport to an unoccupied space you can see within the line’s area.
At Higher Levels: When you cast this spell using a spell slot of 4th level or higher, the damage increases by 2d6 for each slot level above 3rd.
Researching the Spell: A character who can cast 2nd level spells and knows warp bolt can research ride the rifts. To complete the research, the caster must spend 15 days of downtime and 750 gp.

Delerium Blast
4th level contaminated evocation
Contaminated Spell: When you cast this spell, you gain one level of contamination.
Casting Time: 1 action
Range: 150 feet, 20-foot sphere
Components: V, S, M (a delerium fragment worth 100 gp, which the spell consumes)
Duration: Instantaneous
Effect: You ignite arcane energies stored inside a delerium fragment held in your hand, and hurl it towards a space you can see within range. It explodes in a 20-foot-radius sphere of erratic psychic energy that overwhelms the minds and senses of those within. Each creature in the sphere must succeed on an Intelligence saving throw. On a failed save, a creature takes 10d6 psychic damage and becomes incapacitated until the end of their next turn. On a successful save, a target takes half as much damage and suffers none of the spell’s other effects.
At Higher Levels: When you cast this spell using a spell slot of 5th level or higher, the damage increases by 2d6 for each slot level above 4th.
Researching the Spell: A character who can cast 4th level spells and knows the ride the rifts spell can research delerium blast. To complete the research, the caster must spend 20 days of downtime and 1000 gp.

Conjure the Deep Haze
5th level contaminated conjuration
Contaminated Spell: When you cast this spell, you gain one level of contamination.
Casting Time: 1 action
Range: 120 feet, 20-foot sphere
Components: V, S, M (a delerium fragment worth 100 gp, which the spell consumes)
Duration: Concentration, up to 10 minutes
Effect: You create a 20-foot radius sphere of the Deep Haze on a point you choose within range. The fog spreads around corners. It lasts for the duration or until strong wind disperses the fog, ending the spell. Its area is heavily obscured. When a creature enters the spell’s area for the first time on a turn or starts its turn there, that creature must succeed on a Constitution saving throw. On a failed saving throw, it suffers 8d6 necrotic damage and gains one level of contamination. On a successful save, the creature takes half as much damage and does not gain any contamination levels. Creatures are affected even if they hold their breath or don’t need to breathe.
Researching the Spell: A character who can cast 4th level spells and knows the delerium blast spell can research conjure the deep haze. To complete the research, the caster must spend 25 days of downtime and 1250 gp.

Ray of Contamination
6th level contaminated necromancy
Contaminated Spell: When you cast this spell, you gain one level of contamination.
Casting Time: 1 action
Range: 60 feet
Components: V, S, M (a delerium fragment worth 100 gp, which the spell consumes)
Duration: Instantaneous
Effect: An octarine ray springs from your pointing finger to a creature that you can see within range. The target must succeed on a Constitution saving throw. On a failed save, a creature takes 16d6 necrotic damage and gains 1d4 levels of Contamination. On a successful save, a target takes half as much damage and does not gain any contamination levels.
At Higher Levels: When you cast this spell using a spell slot of 7th level or higher, you can target one additional creature for each slot level above 6th. The creatures must be within 30 feet of each other when you target them.
Researching the Spell: A character who can cast 6th level spells and knows the conjure the deep haze spell can research ray of contamination. To complete the research, the caster must spend 30 days of downtime and 1500 gp.

Octarine Spray
7th level contaminated evocation
Contaminated Spell: When you cast this spell, you gain one level of contamination. 
Casting Time: 1 action
Range: Self (60-foot cone)
Components: V, S (a delerium fragment worth 100 gp, which the spell consumes)
Duration: Instantaneous
Effect: Octarine rays of light flash from your hand. Each ray is a different colour and has a different power and purpose, see the table below. Each creature in a 60-foot cone must succeed on a Constitution saving throw. For each target, roll a to determine which ray affects it.

1. Psychic: The target takes 20d6 psychic damage on a failed save, or half as much damage on a success.
2. Necrotic: The target takes 20d6 necrotic damage on a failed save, or half as much damage on a success.
3. Force: The target takes 20d6 force damage on a failed save, or half as much damage on a success.
4. Radiant: The target takes 20d6 radiant damage on a failed save, or half as much damage on a success.
5. Thunder: The target takes 20d6 thunder damage on a failed save, or half as much damage on a success.
6. Rage: At the start of each of its turns, the affected target uses all its movement to move directly towards the closest creature it can see. Then, the affected target uses its action to make a melee attack against a randomly determined creature within its reach. If there is no creature within its reach, the affected target does nothing this turn. At the end of each of its turns, the affected target can make a Wisdom saving throw. If it succeeds, this effect ends for that target
7. Contamination: At the start of each of its turns, the affected target gains one level of contamination. At the end of each of its turns, an affected target can make a Constitution saving throw. If it succeeds, this effect ends for that target, but any contamination levels gained remain.
8. Special: The target is struck by an additional ray. Roll again twice. There’s no limit to how many additional rays can strike a single creature in this manner.

Researching the Spell: A character who can cast 7th level spells and knows the ray of contamination spell can research octarine spray. To complete the research, the caster must spend 35 days of downtime and 1750 gp.

Contaminated Power
8th level contaminated transmutation
Contaminated Spell: When you cast this spell, you gain one level of contamination.
Casting Time: 1 Bonus Action
Range: Self
Components: V, S, M (a delerium shard worth 500 gp, which the spell consumes)
Duration: 1 Minute
Effect: You draw unrestrained arcane magic from the delerium shard you hold in your hand. Until the spell ends, you gain the following benefits:

• When you cast a spell that deals acid, fire, cold, lightning, or poison damage, you can change the damage type to force, necrotic, psychic, or radiant damage.
• Once per turn when you deal damage with a spell, you can deal an extra 1d12 necrotic damage for each contamination level you have gained to one target of that spell.
• When you cast a spell that forces a creature to make a saving throw to resist its effects, you can choose to gain one level of contamination. If you do, one target of the spell has disadvantage on its first saving throw made against that spell.
  

Special: This spell can’t be dispelled by dispel magic.

Researching the Spell: A character who can cast 8th level spells, knows every other contaminated spell, and has cast each of them at least once can research contaminated power. To complete the research, the caster must spend 40 days of downtime and 2000 gp.