You see: You growl ferociously!
GROWL (while hidden)
GROWL <person> (while hidden)
You know, this isn't too terribly impressive when you can't be seen.
Can be used in place of ' or SAY as a verb for speaking.
Generally only used to express strong emotion.
Can be used with the same emotes used with SAY
You growl, "You gargoyle-wrangler! Die!"
You happily growl, "I love it!"
You angrily growl, "I'll murder you, miscreant!"