I don't really use marks when I tank. I'll put a #1 up on mobs that heal or summon new mobs like in AK or the succubi in Haukke HM. But in reality I'm going to get and hold hate on all mobs regardless of which ones the DD are attacking. In my experience most DPS ignore marks anyways. But some exceptions to this are
1. When a party member is new or less experienced to the content. I'll use a mark.
2. When something changes mid-battle. Like additional aggro from a stronger, wandering mob.
3. When I'm trying to do a speed run of WP and no one is opening that frikken door to the Flan boss and a giant tonberry is making me their plaything. >< a;;ghj;iogngjirjrkjelnkdnf
1. When a party member is new or less experienced to the content. I'll use a mark.
2. When something changes mid-battle. Like additional aggro from a stronger, wandering mob.
3. When I'm trying to do a speed run of WP and no one is opening that frikken door to the Flan boss and a giant tonberry is making me their plaything. >< a;;ghj;iogngjirjrkjelnkdnf