Always on

• Eldritch Blast

  When When Sarsus targets a creature with a Warlock cantrip attack

  Sarsus fires a lance of crackling occult force at a creature within range. His Agonizing Blast invocation adds his Charisma modifier to the damage, and Repelling Blast can push a Large or smaller target away when a beam hits.

• Hex

  When When Sarsus chooses a target within range

  Sarsus marks a creature with a whispered clause from his pact, dealing extra necrotic damage when he or an ally harms it and allowing him to move the mark when the target dies.

• Armor of Agathys

  When Before entering danger

  Sarsus conjures a protective shell of supernatural frost that harms creatures striking him in melee.

• Misty Step

  When As a bonus action when repositioning is necessary

  Sarsus tears open a short-lived fold in space and steps through it, reappearing in a nearby unoccupied space.

• Fireball

  When When several enemies are clustered together

  Sarsus calls down a column of infernal flame over an area, damaging creatures caught within it.

• Counterspell

  When When a creature within range casts a spell

  Sarsus interrupts a spell as it is being cast, attempting to unravel its magic before it takes effect.

• Pact MagicLevel 1

  Sarsus uses Charisma for his Warlock spells. He knows three Warlock cantrips and six Warlock spells. His Pact Magic slots are always cast at their highest available level and return after a Short or Long Rest.

• Eldritch InvocationsLevel 1

  Sarsus learns three Eldritch Invocations. His chosen invocations are Agonizing Blast, Pact of the Tome, and Repelling Blast.

• Magical CunningLevel 2

  Once per Long Rest, Sarsus can perform a brief ritual for one minute to regain expended Pact Magic slots equal to half his Warlock level, rounded up, though the slots cannot exceed his normal maximum.

• Fiend PatronLevel 3

  Sarsus forms a pact with a Fiend patron. He gains the Fiend's subclass features and access to its patron magic.

• Dark One's BlessingLevel 3

  When Sarsus reduces a hostile creature to 0 Hit Points, he gains Temporary Hit Points equal to his Charisma modifier plus his Warlock level, for a total of 5 Temporary Hit Points. He can use this feature no more than once per turn.

• Ability Score ImprovementLevel 4

  Sarsus gains an Ability Score Improvement or another feat for which he qualifies. He chooses the Ability Score Improvement option, increasing Dexterity by 1 and Intelligence by 1.

• Eldritch Invocations ImprovementLevel 5

  Sarsus learns two additional Eldritch Invocations, for a total of five. His additional choices are Book of Ancient Secrets and Lessons of the First Ones, granting the Skilled feat.

• Pact Magic ImprovementLevel 5

  Sarsus's Pact Magic slots become level 3 slots. He has two level 3 Pact Magic slots, and his known Warlock spells can include spells of up to level 3.

• TraitAir GenasiCreature type Humanoid.
• TraitAir GenasiMedium size.
• TraitAir GenasiWalking speed of 30 feet.
• TraitAir GenasiDarkvision out to 60 feet.
• TraitAir GenasiResistance to Lightning damage.
• TraitAir GenasiCan cast Shocking Grasp as an innate cantrip using Constitution as the spellcasting ability.
• TraitAir GenasiCan cast Levitate without a spell slot once per Long Rest, using Constitution as the spellcasting ability. The spell affects only Sarsus and lasts for its normal duration.
• TraitAir GenasiAir genasi can hold their breath indefinitely while not incapacitated, reflecting their elemental nature.
• Magic Initiate (Wizard)Sage

  Magic Initiate (Wizard). Sarsus knows two Wizard cantrips and one level 1 Wizard spell. He can cast the chosen level 1 spell without a spell slot once per Long Rest, and can also cast it with spell slots. Intelligence is his spellcasting ability for these spells.