Blern'ovuaru'iage is a firm believer that the galaxy at large would be better off without the Force, those that command it, and those that follow them, mirroring the views of Liberation Front leader Rath Oligard. After watching the galaxy burn time and time again during his relatively young lifespan, Blern'ovuaru'iage has devoted himself to eliminating any notion of the Force from the galaxy, starting with agents of the Dark Brotherhood.

Through a combination of preparing, studying, and analyzing, Blern'ovuaru'iage creates detailed battle plans and tries to think two steps ahead of the enemy. At times, however, this can lead to Blern'ovuaru'iage creating complicated schemes that can baffle less intelligent subordinates.

Blern'ovuaru'iage is extremely cocksure and headstrong. Possessing a keen wit and exceptional level of intelligence, Blern'ovuaru'iage will often use his superior intellect to humiliate lesser minds. Basically, he is kind of a jerk, and that can sometimes get Blern'ovuaru'iage in a bit of trouble.

Blern'ovuaru'iage has a tendency to be secretive and keeps to himself, relying on deception to conceal his motives and intentions. He is a schemer, and plots and plans against others carefully. When dealing with a confrontation, he will try and bluff his way out of trouble, or overcome obstacles with deliberate, covert actions.

Blern'ovuaru'iage seems to get his thrills, perhaps sadistic ones at that, from toying with his opponents. Some are content with simply striking down or injuring their opponent, but that is not enough for Blern'ovuaru'iage. No, he wishes to see his enemy descend into madness or kneel before him as a blathering mess; or even better, as a fresh new servant with a muddled mind. The Puppeteer usually forsakes outright hurting and maiming his opponent and focuses on illusions, mind tricks, and other wicked means of destroying a person.

Sometimes the only way to prepare for the worst is to always expect it. Blern'ovuaru'iage takes this philosophy one step further by never leaving home without accounting for every possible scenario he might expect to encounter. Blern'ovuaru'iage tends to always have the right tool or item for a situation and has a habit of quietly and almost smugly presenting solutions before anyone even recognizes there is a problem. This foresight is far from infallible, however, and he often finds himself at a loss in situations that go beyond what he could have imagined. While incredibly practical and often a life-saver in a pinch, his perpetually pessimistic outlook on daily life can be a bit draining on more optimistic-inclined companions.