Always on

• Breath Weapon

  When When he takes the Attack action, he can replace one attack with this exhalation.

  He exhales a burst of draconic fire in a cone or line, scorching enemies with magical flame.

• Draconic Flight

  When As a bonus action, once per long rest.

  He sprouts spectral wings and gains a fly speed equal to his walking speed for 10 minutes.

• Devil's Sight

  When Passive invocation effect.

  He can step into shadows and reveal the battlefield from dark corners, seeing clearly in darkness within 120 feet.

• Armor of Shadows

  When At will.

  He can conjure armor around himself without expending a spell slot, helping him survive when research turns into violence.

• Pact MagicLevel 1

  Through occult ceremony, he formed a pact with a mysterious patron. He has two Pact Magic spell slots, each of level 3. He regains all expended Pact Magic spell slots when he finishes a Short or Long Rest.

• Eldritch InvocationsLevel 1

  He has learned eldritch invocations, pieces of forbidden knowledge that grant enduring magical benefits. He knows three invocations and can replace one whenever he gains a warlock level.

• Magical CunningLevel 2

  He can perform an esoteric rite for 1 minute to regain expended Pact Magic spell slots, up to half his maximum slots, once per Long Rest.

• Warlock Subclass, Fiend PatronLevel 3

  He made a pact with a fiend from the Lower Planes. His patron seeks corruption or destruction, but he works to turn that power toward protection and hard-won good.

• Dark One's BlessingLevel 3

  When he reduces an enemy to 0 Hit Points, or when a creature within 10 feet of him does so, he gains Temporary Hit Points equal to his Charisma modifier plus his warlock level, minimum 1.

• Fiend SpellsLevel 3

  He always has the Fiend spells Burning Hands, Command, Scorching Ray, and Suggestion prepared. They do not count against the number of spells he prepares.

• Ability Score ImprovementLevel 4

  At 4th level, he gained a Warlock feat or ability score improvement. His final scores already include his chosen background increases, so this feature is noted but not applied to raise scores further.

• Warlock Spellcasting ProgressionLevel 5

  His Spellcasting and Pact Magic have improved as he advances, including 3rd-level Pact Magic slots and 6 prepared level 1+ warlock spells at 5th level.

• TraitDragonbornDraconic Ancestry, Red, fire damage
• TraitDragonbornBreath Weapon, 15-foot cone or 30-foot line, 2d10 fire damage, Dexterity save DC 13, usable 3 times per Long Rest
• TraitDragonbornDamage Resistance, fire
• TraitDragonbornDarkvision, 60 feet
• TraitDragonbornDraconic Flight, temporary spectral wings and fly speed equal to walking speed for 10 minutes, once per Long Rest
• ResearcherSage

  Researcher. If he does not know a piece of lore, he usually knows where and from whom to obtain it, and he can often find forgotten texts, scholars, or archives that point him toward the answer.