Always on

• Breath Weapon

  When Once per short or long rest

  Dinnidian exhales a 15-foot cone of fire. Each creature in the area must make a DC 13 Dexterity saving throw, taking 2d6 fire damage on a failed save or half as much on a successful one. He can use this once per short or long rest.

• Eldritch Blast

  When Action

  Dinnidian fires a beam of crackling force at a creature within 120 feet. He makes a ranged spell attack with a +7 bonus, dealing 1d10 + 4 force damage on a hit. He fires two beams at 5th level.

• Dark One's BlessingLevel 1

  When When a hostile creature within his awareness drops to 0 hit points

  Dinnidian invokes fiendish energy through his patron's name, gaining 9 temporary hit points when he reduces a hostile creature to 0 hit points.

• Otherworldly Patron, The FiendLevel 1

  Dinnidian's magic comes from a pact with a fiendish patron. He uses Charisma as his spellcasting ability and can recover his Pact Magic spell slots after a short or long rest.

• Pact MagicLevel 1

  Dinnidian knows three cantrips and six warlock spells. He has two 3rd-level spell slots, which recharge after a short or long rest.

• Eldritch InvocationsLevel 2

  Dinnidian has learned Agonizing Blast, Devil's Sight, and Book of Ancient Secrets. Agonizing Blast adds his Charisma modifier to each beam of eldritch blast. Devil's Sight lets him see normally in darkness, both magical and nonmagical, to 120 feet. Book of Ancient Secrets grants a Book of Shadows and allows him to learn and cast ritual spells recorded within it.

• Pact Boon, Pact of the TomeLevel 3

  Dinnidian has chosen Pact of the Tome. His patron grants him a Book of Shadows containing three additional cantrips from any class.

• Expanded Spell ListLevel 3

  Dinnidian can choose one additional spell from the Fiend expanded spell list whenever he learns a warlock spell. The expanded list includes burning hands, command, blindness/deafness, scorching ray, fireball, stinking cloud, fire shield, wall of fire, flame strike, and hallow.

• Ability Score ImprovementLevel 4

  Dinnidian increased his Charisma by 2 at 4th level, raising it from 17 to 19 after applying his dragonborn racial bonus.

• Pact Magic ImprovementLevel 5

  Dinnidian's Pact Magic slots are 3rd-level slots. He knows the eldritch blast, mage hand, and minor illusion cantrips, plus three additional cantrips from his Pact of the Tome.

• Dragonborn Ability Score IncreaseDragonbornStrength +2 and Charisma +1, already included in the final ability scores.
• Draconic AncestryDragonbornRed dragon ancestry, granting fire damage for Breath Weapon and fire damage resistance.
• Breath WeaponDragonborn15-foot cone, Dexterity saving throw DC 13, 2d6 fire damage, usable once per short or long rest.
• Damage ResistanceDragonbornResistance to fire damage.
• Draconic LanguageDragonbornDinnidian can speak, read, and write Draconic.
• SpeedDragonborn30 feet.
• Shelter of the FaithfulAcolyte

  Dinnidian can invoke the aid of his religious organization, whose members will provide ordinary assistance, shelter, and support when circumstances and resources permit. They will also assist in religious ceremonies, though his openly sinister beliefs make some members wary.