Mire Squid by

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> ## Mire Squid
>*Gargantuan monstrocity, unalligned*
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> - **Armor Class** 13
> - **Hit Points** 213 (17d20+34)
> - **Speed** 10ft, swim 60ft
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>|STR|DEX|CON|INT|WIS|CHA|
>|:---:|:---:|:---:|:---:|:---:|:---:|
>|22 (+6)|16 (+3)|14 (+2)|4 (-3)|16 (+3)|4 (-3)|
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> - **Skills** Athletics +10, Perception +7, Stealth +7
> - **Damage Resistances** cold; bludgeoning, piercing, and slashing from nonmagical attacks
> - **Senses** Darkvision 120ft, passive Perception 17
> - **Languages** -
> - **Challenge** 15 (13,000 XP)
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> ***Legendary Resistance (3/day).*** If the Mire Squid fails a saving throw, it can choose to succeed instead.
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> ***Underwater Camouflage.*** The Mire Squid has advantage on Dexterity (Stealth) checks made while underwater.
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>***Grasping Tendrils.*** The mire squid has 10 tentacles. Each tentacle can grapple 1 creature of Medium or smaller on its own. The mire squid can also grapple larger creatures, using an additional tentacle for every size class above Medium. If a creature currently grappled by
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>the mire squid suddenly grows beyond the grappling ability of the current tendrils (For example, if a Medium creature currently grappled by one tendril becomes Large) then they are automatically dropped, and the mire squid takes 5 (2d6) bludgeoning damage. That tendril cannot grapple until the end of the mire squid's next turn.
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> ### Actions
> ***Multiattack.*** The mire squid makes 4 tentacle attacks. It can use any number of tentacles per attack, but this does not increase the number of attacks it makes.
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> ***Tentacle.*** *Melee weapon attack:* +11 to hit, reach 15ft, one target. *Hit:* 17 (2d10+6) damage, and the target is grappled (escape DC 20). Until the grapple ends, the target is restrained, and the mire squid cannot use the tentacles grappling the creature again
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> ***Ink Cloud (Recharges after a Short or Long Rest).*** A 20- foot-radius cloud of ink extends all around the mire squid if it is underwater. The area is heavily obscured for 1 minute, although a significant current can disperse the ink. After releasing the ink, the Mire Squid can use the Dash action as a bonus action.