some of the generals of Kamergeon, henchmen of Lord of the South Citadel

they often fight among themselves, one always wants to be higher than the other
Kara - green, more calm, but too slippery and unpredictable, while Tiamat contrary to his temper and aggression is very loyal ally
because of the visual similarities, they are often mistaken for brothers, even though the two are not even close relatives
both have a second form - Wyvern
in the distant past was something like the marauders, now each other to kill interferes with the status and reputation