Sources
CR
Type
Size
Alignment
Movement

Black Guard Drake

Medium Dragon, Unaligned

Armor Class 14 (natural armor)
Hit Points 52 (7d8 + 21)
Speed 30 ft., swim 30 ft.
STR
16
+3
DEX
11
+0
CON
16
+3
INT
4
-3
WIS
10
+0
CHA
7
-2
Skills Perception +2
Damage Resistances acid
Senses darkvision 60 ft., passive Perception 12
Languages understands Draconic but can't speak it
Challenge 2 (450 XP)

Traits

Amphibious. The guard drake can breathe air and water.

Actions

Multiattack. The drake attacks twice, once with its bite and once with its tail.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit:7 (1d8 + 3) piercing damage.

Tail. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit:6 (1d6 + 3) bludgeoning damage.

Lore

A guard drake is a reptilian creature created out of dragon scales by means of a bizarre and grisly ritual. When trained properly, a drake is obedient, loyal, and territorial, which makes it an excellent watch-beast that can follow simple commands.