Originally Posted by Web Rider
Given the single-player nature they are emphasizing with an added MMO socialization aspect, I assume raids will be ALA Guild Wars, difficult sections of the game that are always there for YOU, but require you to invite others to join "your world" to best them.
That'll be really odd to see, considering companions might cross between players.
What do you do if that companion is dead, yet the guy you invited still has him alive? Maybe the group leader is sort of the default while everyone follows?