Armor Class 17 ({@item splint armor|phb})
Hit Points 57 (6d12 + 18)
Speed 30 ft.
Saving Throws STR +6, CON +5
Skills Athletics +6, Intimidation +3, Perception +4
Damage Resistances lightning
Senses blindsight 10 ft., darkvision 60 ft., passive Perception 14
Languages Common, Draconic
Challenge 4
Action Surge (Recharges on a Short or Long Rest). On his turn, Langdedrosa can take one additional action.
Improved Critical. Langdedrosa's weapon attacks score a critical hit on a roll of 19 or 20.
Multiattack. Langdedrosa attacks twice, either with his greatsword or spear.
Greatsword. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.
Spear. Melee or Ranged Weapon Attack: +6 to hit, reach 5 ft. or ranged 20/60 ft., one target. Hit: 7 (1d6 + 4) piercing damage.
Lightning Breath (Recharge 5–6). Langdedrosa breathes lightning in a 30-foot line that is 5 feet wide. Each creature in the line must make a DC 13 Dexterity saving throw, taking 22 (4d10) lightning damage on a failed save, or half as much damage on a successful one.
HotDQ, p. 91