There is a number of sets Warhammer 40k: Rogue TraderAnd if you are a type who likes a faithful animal (or equivalent) companion, then the archetype of the supervisor has exactly what you need. This archetype that has been added in Lex Imperialis DLC, it is mainly about pets and unlike the skull cherub and servo, they are much more practical.
Acquaintances may initially seem weak but once you invest enough love in them Rogue trader. Here are all pet guards that you can use in the game.

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Cyber-mastiff
Cyber mastifs are iconic hunting hounds adeptus arbites. They can run around the battlefield without provoking attacks on opportunities, and also ignore the blocks of their goal, making them excellent hunters.
If you are looking for a well -rounded companion, or if you simply want a sic sic mechanized attack dog at enemies, then it's known for you. Cyber Mastifs are designed to work with your character, and if you can use its abilities, you will be able to clean even the most difficult encounters without breaking sweat.
Cyber-eagle
Although it is not as impressive as Chromed-up offensive dog with the bite of the power of industrial waste compact, cyber eagle is still so fatal. And they are great acquaintances for officers. Players can order this metallic threat to become enemies with their claws or to create tactical opportunities, either by coming out through the eyes of the target eyes, or it is bait to accidentally shoot their teammates – this is very effective in solving sniper.
Cyber-eagle is above all about tying priority goals, such as bosses and other stubborn enemies, and because he is always in someone's face, you can expect it to attract much attention. They also tend to cause great damage due to the nature of their abilities.
Servo Skull Swarm
In contrast to the above cyber animals, a swarm of the skull is polishing allies and debuffing enemies. It has the ability to ensure Non-Psyker support for support, causing them to affect more than one target at a time. This includes supporting skills that allow squadMate to perform additional turns, such as lowering.
In addition to extrapolation support skills, the Skull swarms also provide a number of other effects that are ideal for battlefield control, such as the ability to get enemies to attack themselves, forcing enemies to attack a swarm instead of companions and restore wounds for allies, making them invaluable for chaotic struggles.
Psyber-Green
PSYBER-GROUND is a Support -oriented for Psykers. Similar to the servo Skull Swarm, it can A relay that does not damage the abilities of the PSYKER with one goal To all targets in the area, which significantly increases the value you get from them. This relay ability works on enthusiasts for teammates and debuffs for enemies.
Players can Passing the offensive abilities of the dogs through Psyber-ran as soon as they use his Abundance from the supervisory archetype. This turns Raven to the devastating leadership of the warp, which can weaken and destroy large groups of enemies.