Deep Stalker

From publisher blurb: Presenting the Deep Stalker - a shapeshifting, intelligent, squid-like creature to use as a friend or foe in your games! With monster statistics for classic AD&D, Pathfinder, and 5E, it's easy to add to your campaign! And best of all, our Deep Stalker is free to re-use in your own products, under either the Open Gaming License, or Creative Commons-Attribution-Share Alike, so you can use the license you like!