Impervious
Uncommon26.3%ObjectiveOptional
Have 99 or more Block during combat.
Reach 99 Block in a single combat. Any dedicated block card played a few times gets there - Ironclad's Barricade (block stops expiring) plus block cards stacks it fast, Defect's Frost orbs with Focus, or Watcher's block cards. Even without Barricade, a couple of big block plays in one turn - Entrench doubles your current block - will clear 99. You'll pass through this on the way to Barricaded.