Minuo

He walk at night near areas of shallow water hunting for prey. his uses silhouette to trick humans into thinking he is a wandering samurai. He lures his prey to the water's edge where he drags them under and drains them of the blood.

he'll use his barbed tentacles to shred and his claws to crush and dismember. living in underwater caves he stays close to the shadows and mainly comes out at night.
his intelligents make him a challenging foe, and for a large creature he can move swiftly and evades easily.