Among the Blades, the leader doesn't command his men from a distant outpost; he spearheads the attack. Thus, they have Honor. Also, their beautiful training routines, or katas, show Aesthetics. This was also true of the Tabrene, who had a tradition of music, literature, and poetry.
The Korimutay hide. They're Mysterious. Also making them mysterious is the secret they hide: Why are they here voluntarily?
Additionally, the Korimutay have some special rapport with nature and can even transform it to some degree. Therefore they are Mystical or Spiritual and have mystical or spiritual abilities. You might say that their incredible accuracy with their weapons has either a spiritual or aesthetic quality.
All these characteristics can give emotional depth to a group.
Let's examine techniques for adding depth to a group in the context of a hypothetical game.