Aura Heal

Aura Heal is a effect in Xenoblade Chronicles and Future Connected. It heals the user every two seconds as long as an is active.

Overview
All party members have at least one aura available, but not all use them on a regular basis. , and  are most likely to have auras on as much as possible, and being tanks they appreciate having their own source of healing, so the gem is well-placed on them. Seven also has many auras, though depending in the exact build may not be using them much. has good auras but does not necessarily need the extra healing, while 's and 's rifle mechanics make it difficult for them to keep useful auras active for long enough to be worth it. 's aura is Activate Monado, which he can access at any time and keep active as long as he wishes if he doesn't mind not using arts, which makes Aura Heal uniquely suited for him. is similar in that her Elemental Burst aura can stay active forever, though in her case doing so is much more detrimental to her utility.