I think if there were two other defenders, I would have let it go, but WHY (?!?) would you have a titan without leveling defender? It is the most useful subclass in the game. If I posted "at Oryx, need a titan," you join as a striker and say you haven't leveled defender, I would apologize if my post was unclear, then probably kick you. In the raid, by "titan," people mean "defender." Sunbreaker can be handy at Golgoroth if you have more titans than you need and not enough warlocks or hunters but that is it.