Board Thread:General Discussion/@comment-111.192.70.170-20130426112449/@comment-4057437-20130527070225

75.0.183.86 wrote: It's actually pretty essential that the forsworn and dragons stay hostile, because the forsworn are equivilent to bandits in the reach and if dragons disapeard or became friendly, you would have a much harder time getting dragon souls to power your shouts.

Dragon souls aren't truly essential to activate shouts. Otherwise, how do you explain the Greybeards, or Ulfric or all the Deathlords that use shouts?