Contrary to popular opinion, Krakens are not just giant squids, but rather highly evolved, sentient, and rather perspicacious sea creatures.
Physical Characteristics:
Tentacles of Doom
Tentacles are not just for swimming, my friend. They are also for wrapping around unsuspecting sailors and pulling them down into the depths.
Bioluminescent Bullets
These glowing orbs are not just pretty lights, they are actually a form of communication and also a warning to any nearby fish to stay away.