From publisher blurb: The mysterious and secretive Tankborn are part of a guild of assassins that operates throughout civilized space. Highly trained combatants the Tanks kill with twin blades or needle guns at range. The Adversaries series delivers monsters you can use in your Starfinder campaigns. This booklet contains: The Tankborn: a CR 4 creature, including a full stat block. Four monster knowledge blocks, each delivering new information at an increasing difficulty. Expanded ecology information about the Tankborn.