- Type: Caster Magic, Holder Magic
- Users: Aquarius, Erza Scarlet (via Sea Empress Armor), Mikhail Deathwing
Water Magic is a form of Magic revolving around the use of water, which is placed under the user's command for them to employ for various purposes. Depending on its use, the physical properties of water can be manipulated to the user's advantage; large masses of such liquid are shown to possess remarkable force, being usable to inflict blunt damage upon targets by sweeping them away with water. Users can also use water as means to enhance the power of whatever weapons they may be using in battle.
- Torrent: The user absorbs and collects large masses of water and flings it with tremendous force at the target. The generated wave is strong enough hurl a yacht from the middle of the sea back to the shore.
- Bubble Shot: The user summons a stream of big bubbles from their urn, which hits the opponent at great force multiple times. (Unnamed)
- Water Pillar: The user swings their urn in front of the target, manipulating water and forming it into the shape of a massive pillar, and using it to strike the target from below. (Unnamed)
Water: A Caster Type Magic that involves the control of all water.