Changing karma of Narthyl Worm to -70 from 0

There is absolutely no reason why this demon living in Brax next to -90 karma mobs should have neutral karma, wrecking any Sha's karma who builds there. Pure annoyance.
Merge pull request #23 from MorbusM59/patch-2

Changing karma of Narthyl Worm to -70 from 0