Ah, but a tribe is just that: a tribe, a clan, a family group. "Ruin" is simply the plural term for 3 or more Kobolds (who, after all, may or may not be members of the same tribe).
"Ok we can attack... but if we miss, we'll hit the villagers."
"I'm willing to take that chance!"
Things I am no longer allowed to do in an RPG :
31. The backup trap handler is not whoever has the most HP at the time.
73. Not allowed to name my cudgel Ceremonial Whoopass Stick.
74. My thief's battle cry is not "Run And Live"
[OOG Jenna