Alizarin Gateflower & Cragzul

Unity. Cragzul obeys to its master Alizarin. Alizarin does mounted combat (according to the Basic Rules). They have different HP - 70 Alizarin, 130 Cragzul). If one of them losed all its health goes under unconscious, but can't die if the partner is still have hitpoints.

The Power of the Elders. Every time Cragzul hits an opponent it gots one stack each stack means 4 point ads up to 16.

Rush. From 15 ft. movement Cragzul is available to jump on its target. It must succeed a 17 DC DEX saving throw or being prone. Huge or bigger creatures have advantage on the save.

Elusive Movement. Cragzul and Alizarin does not produce opportunity attacks by moving.

Multiattack. Cragzul do 1 bite and 2 claw/tail attack, also Alizarin is available to use hes magicitems.

Bite of Cragzul. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit:  19 (3d8 + 7) piercing damage. If the target goes below 20% health must do a 16 DC WIS saving throw or become frightened. (Escape DC is 14 WIS, once it's escape is succesful the target immunes to this effect for the next 24 hour). On frightened or paralyzed targets it deals additional 2d8 force damage.

Claws / Tail of Cragzul. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 15 (2d8 + 7) slashing damage. On frightened or paralyzed targets it deals additional 1d8 force damage.

Gateflower's Jewelry. Alizarin touches hes jewels to activate the magical effect of them.
1# Blink. (3x) Alizarin and hes mount teleports instantly to a random position in a 60 ft. area. They make their next attack from there with advantage and additional 1d8 force damage. It could be used as reaction too, this way they can avoid an attack that aimed them and jet they don't know if it hits or not. 
2# Collar Hypnosis. (1x) Alizarin and Cragzul show up their colorfull collar to enemies, who watch this from front must succeed a 16 DC WIS save, or they become paralyzed. Escape DC 14 WIS (repeat it / turn). If a target paralyzed this way and takes damage it becomes free. The hypnosis could be cured out with lesser restoration or such spells. Those who have truesight, or clairvoyance spell active avoid this effect.
3# Harvest for Elders (2x) Alizarin starts a magical drain from it's stacked opponents to heal his and hes pet's wounds. They must succeed a 16 DC CON save to half the drained amount. Alizarin and Cragzul drains equal value from creatures as many stacks they have. (read at traits) The stacks are not gone by once harvesting them, they dissaperar when the combat ends. 
4# Endgame. Alizarin rather chooses to die on 0 HP.  Cragzul becomes enraged by this. While enraged has advantage on saving throws attacks to being hit and damage rolls. While enraged Cragzul is available to use Rush on two target / turn.

Blink. (3x) - Read below the actions of the Gateflower's Jewelry.

Awake Elder. If Cragzul dies and Alizarin is still alive it can use his blood to make a new soul connection to a legendary beast that are [Tooltip Not Found] to stone and are staying near the sacred altar of the Ancient Empire's pyramid.

The Elders are such beasts as Cragzul, each has the same stats but they do different kind of damages and movement also Alizarin can do different spells with his jewels by using them through his Elder creatures.