Sources
CR
Type
Size
Alignment
Movement

Dragonsoul

Medium Humanoid (human), Neutral Evil

Armor Class 16 (studded leather)
Hit Points 110 (17d8 + 34)
Speed 30 ft.
STR
11
+0
DEX
18
+4
CON
14
+2
INT
13
+1
WIS
12
+1
CHA
16
+3
Saving Throws WIS +4
Skills Deception +6, Stealth +7
Damage Resistances one of the following: acid, cold, fire, lightning, poison
Senses passive Perception 11
Languages Common, Draconic, Infernal
Challenge 7 (2,900 XP)

Traits

Dragon Fanatic. The dragonsoul has advantage on saving throws against being charmed or frightened. While the dragonsoul can see a dragon or higher-ranking Cult of the Dragon cultist friendly to it, the dragonsoul ignores the effects of being charmed or frightened.

Fanatic Advantage. Once per turn, if the dragonsoul makes a weapon attack with advantage on the attack roll and hits, the target takes an extra 10 (3d6) damage.

Limited Flight. The dragonsoul can use a bonus action to gain a flying speed of 30 feet until the end of its turn.

Pack Tactics. The dragonsoul has advantage on an attack roll against a creature if at least one of the dragonsoul's allies is within 5 feet of the creature and the ally isn't incapacitated.

Actions

Multiattack. The Dragonsoul attacks twice with its shortsword.

Shortsword. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit:6 (1d6 + 3) piercing damage plus 10 (3d6) damage of the type to which the dragonsoul has resistance.

Orb of Dragon's Breath (3/Day). Ranged Spell Attack: +7 to hit, range 90 ft., one target. Hit:27 (6d8) damage of the type to which the dragonsoul has damage resistance.