Walking The Beat is by far the hardest daily in existence. On Expert, every fighter has a 15% chance to proc Invincible on taking a hit. This alone is incredibly painful and irritating (maybe 5%?) but it is once combined with First Aid, giving a 3000-odd FS fighter nigh-infinite health unless...
{>☆ UPDATE2:Edited some things, put in a section on my experiences in aggressive vs. conservative(not for everyone though)
UPDATE:Gonna see if aggro starts are worse than defense starts, also I still don't have a Beo for myself and there's some conflicting opinions on his grab reach so TBC, love...