Back Atk Plus

Back Atk Plus is a gem effect in Xenoblade Chronicles. It causes the user to deal more damage with back attacks.

Overview
While the effect works with attacks that don't naturally have a "from behind" condition, it's not necessarily helpful to give them to a character like Sharla or Melia, as it adds another layer to how they need to position. And of course tanks are doign the wrong thing if they're trying to hit enemies from behind. So this gem is best-used on those who already have motivation to attack from behind, like Shulk or Riki.