Krakenspawn

The ship grinds and groans to a halt as flashy mauve arms snake and ripple through the rails.

d4	By counting tentacles, the best estimation of the number of spawn...
1	is thankfully only two, who seem more preoccupied with each other than the vessel
2	is three to five, with one seeming to orchestrate the actions of the others via a strange, squirmy semaphore and pulsating phosphorescence
3	seem infinite, as the sea practically boils with their limbs - three strangely humanoid ogre-sized figures with skin of the same slimy mauve wrench themselves aboard
4	must be just one, its limbs seeking out one or two morsels to drag overboard

d6	It is said that their...
1	beaks can snip a man's arm clean off in a single bite
2	beaks hold on like bear-traps, and won't release until the beast is good and dead
3	beaks are harder than steel, and can be fashioned into stylish helms
4	tentacles instinctively target the masts of ships, so focus on those first
5	tentacles are extremely tasty, when lightly fried in a hard-tack batter with garlic
6	have huge, serrated suckers that leave behind scars that glow faintly

d8	As if their writhing tenacity weren't bad enough, Krakenspawn...
1	know when to retreat, and harbor immortal grudges that they telegraph to all of their kind
2	often appear shortly before torrential, gale-driven rains
3	can telepathically communicate with each other, effectively coordinating attacks
4	possess eerie powers of vocal mimicry - they will admonish you in your own voice
5	can spray sooty and thick magical fog, hampering visibility and staining everything deep indigo
6	regenerate lost limbs so fast it seems they grow two for each one cut off
7	seem capable of casting powerful magic
8	are only attracted to ships to test their suitability for transporting a Kraken Bride