For the record, I’m not entirely certain whether pets are affected by resistance penalties from higher difficulties, but I feel as though they are. If they aren’t, however, disregard this suggestion:
It’d be nice if Pets’ resistance modifiers in the second page of the character sheet included the modifiers of Elite/Ultimate alongside their bonuses from gear. Otherwise, as it stands, these stats are a bit misleading:
This is especially prevalent given that a particular mastery will soon be releasing in the expansion. 