armasquillo

the armasquillo has no spellcasting ability. 

Tentacle attack. slashes at enemy with the pointed tips at the end of each of its tentacles. 

Tentacle attack Melee Attack. Melee Weapon Attack: +6 to hit, reach 10 ft., 1-4 targets. Hit: 1 (2d10 + 6) slashing damage. 

Ink Spray. lifts tentacles in the front of its body and sprays its target with dark, staining ink. causes temporary blindness. 

Ink Spray Ranged Attack. RangedWeapon Attack: +2 to hit, range 20 ft., 3 targets. Hit: 1 (1d4 + 5) burning damage.

the armasquillos bonus action is when in grapples an enemy with half of its tentacles. 

Shut Down. when its hitpoints get lower than 15, it bunches up so only its armour is exposed and its armor goes up by 2. 

the armasquillo is neither legendary

nor mythic