Water Element Effects
Increases MATK/MDEF by 40%.
Increases water elemental attack by 4.
Reduces fire Unison Attack and Great Spirit Unison Attack damage by 80%.

About Great Spirit Unison Attacks While Water Element Is Active
If a Great Spirit Unison Attack of the target element is used, the normal Unison Attack effects will be coupled with special effects that differ depending on the level of the Unison Attack.
Deep Tempest Lv. 1: In addition to normal effects, increases stats of all allies by 20% for 60 seconds and recovers 10 Cost for all allies.
Deep Tempest Lv. 2: In addition to normal effects, increases stats of all allies by 30% for 60 seconds and recovers 15 Cost for all allies.
Deep Tempest Lv. 3: In addition to normal effects, increases stats of all allies by 40% for 60 seconds and recovers 20 Cost for all allies.
Deep Tempest Lv. MAX: In addition to normal effects, increases stats of all allies by 50% for 60 seconds and recovers 25 Cost for all allies.