When a pair of adversaries delve into this quadrant, they become each other's KISMESIS. As one of the concupiscent quadrants, it plays a role in procreation as well. There is no particularly good human translation for this concept. The closest would be an especially potent arch-rivalry.
For instance, human players would never be able to adequately diagnose the relationship between the queen and her archagent. But troll players could immediately place it as a dead ringer for kismesissitude. They would think we were all pretty stupid for not getting it. And they would be right.