Always use Greatsword in combat.
While Sword off=hand is your highest damage weapon choice, both Shield and Focus can be used situationally. It is recommended to run focus in trash heavy T4s as standard.
You can go play Illusions over Domination when you're facing
Quickness uptime issues to be more self-sufficient in bad groups, if you're also lacking
Might and
Fury consider going
as well.
can be taken for an additional group sustain.
While we don't recommend leaving your party during boss fights, when dealing with sections of trash mobs,
Mesmer has fantastic utility to speed these sections up, often allowing your party to ignore sectrions of some fractals entirely, using Blinks,
Stealth, and
Superspeed. Some traits you will find useful for this are: