Not to discredit your intentions, but were you aware of the many Troll-centric guilds that are active already on the server?
Here’s a link to a central post that links to several of the Troll communities out there:
You may want to explore one of those guilds? It’s far easier to join an existing group instead of trying to start one up yourself amongst an already saturated population.
However if you still intend to start one of your own, my best of wishes to you in your endeavour!
