Summon Aqua

Summon Aqua is one of 's summoning arts in Xenoblade Chronicles. It summons a water elemental that bestows regeneration and can be discharged for some personal healing.

Overview
Aquas are not really going to save the team from needing healing elsewhere, but they're a good way to reduce pressure on other healers. It also has a low cooldown, so it's pretty safe to discharge for the burst of personal healing and quickly summon another.