Giant, tentacled creature that dwells in the Eastern Sea off the coast of the Isle of Winter.

Summoned by Captain Giselle on orders of the Starlit Door to harvest its flesh. Alternatively, the Kraken is potentially fought alongside Captain Kaemon at the Colosseum of Ashes.

Taking a closer look at the scroll, you notice a sketch of a large, squid-like creature wrapping its tentacles around a large vessel. - Tome of Encounters (RPA-ADV7) 

The flesh of the Kraken has healing properties:

“The kraken has incredible healing properties.” - Captain Giselle (RPA-TE)

“There is a legend that the kraken’s body has healing properties when consumed.“ - Captain Kaemon (RPA-SQ)