Chicken Hydra

Hold Breath. The hydra can hold its breath for 1 hour.

Multiple Heads. The hydra has Five heads. Whenever the hydra takes 25damage or more on a single turn, one of its heads dies. The hydra dies if all its heads are dead. At the end of each of its turns when it has at least one living head, the hydra grows two heads for each of its heads that died since its last turn, unless it has taken Fire damage since its last turn. The hydra regains 10 Hit Points when it grows new heads.

Reactive Heads. For each head the hydra has beyond one, it gets an extra Reaction that can be used only for Opportunity Attacks.

Magic Resistance. Hydra has advantage on saving throws against spells and other magical effects. 

Matriarch's Sacrifice. When a Chicken within a range of 60 feet of Hydra takes damage, Hydra can choose to take this damage instead of the Chicken.

Multiattack. The hydra makes as many Bite attacks as it has heads.

Bite. Melee Attack Roll: +8, reach 5 ft. Hit: 15 (1d12 + 8) Piercing damage.
Claw. Melee Attack Roll: +3, reach 5 ft. Hit: 14 (2d8 + 8) Slashing damage.

3 Action points per round

(1)  Lunge - CH can Leap an additional 10 feet to chase its Victim (CD 1 Round)

(2) Kick - CH can lash out with its Taloned feet Dealing 2d8+3 Slashing)

(2) Liftoff- CH is able to Fly into the sky for one round of combat (movement of 40 feet)

(3) Hen maiden's Call:
Summons:  5 support chickens