Conjure Stormhounds

You summon two Stormhounds that appear in unoccupied spaces that you can see within range.

The summoned hounds are friendly to you and your companions and act on your turn. You can issue commands to them as a bonus action; if you give no commands, they defend themselves from hostile creatures but otherwise take no actions.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the number of Stormhounds increases by one for each slot level above 4th.

Stormhounds
Small Elemental, Any Alignment

Armor Class 13 Natural Armor
Hit Points 20 (4d6 + 6)
Speed 40 ft., swim 40 ft.

STR
12 (+1)
DEX
16 (+3)
CON
14 (+2)
INT
3 (-4)
WIS
12 (+1)
CHA
7 (-2)

Saving Throws DEX +5, CON +4
Damage Resistances Bludgeoning, Piercing, and Slashing from Nonmagical Attacks
Senses Passive Perception 13
Languages Understands Aquan and Common but can't speak
Challenge 1 (200 XP)
Proficiency Bonus +2

Traits:

Water Form: The Stormhounds can move through a space as narrow as 1 inch wide without squeezing. While in water form, it leaves no trace of its presence other than the shifting of water or a faint, cold mist.

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

Actions
Bite: Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) piercing damage plus 3 (1d6) cold damage.

Bonus Actions
Drowning Leap: If the Stormhound hits with a successful bite, it can use a bonus action to attempt to enter the mouth or nostrils of a Medium or smaller creature it is grappling. The creature must make a DC 13 Constitution saving throw. On a failed save, the hound's enters the creature’s throat and begins to suffocate it. The creature takes 2d6 cold damage at the start of each of its turns and is unable to speak or cast spells with verbal components. The creature can repeat the saving throw at the end of each of its turns, expelling the hound and ending the suffocation effect on a success. The hound is expelled into an adjacent space and automatically reverts to its water form.