The Water Dragon (水竜) is a boss in the Suikoden series.
Suikoden III[]
Suikoden III
The Water Dragon is the boss of the Syndar Ruins. It appears once Hugo and his team got near the True Water Rune's resting area. It appeared alongside 6 ice crystals that it used to attack with. It could also attack with a beam attack to a column of characters. Also the Water Dragon appears in the Pale Palace attack of the Pale Gate Rune where it causes 600 damage to all foes by summoning a giant ice crystal from the sky to fall on them.
Suikoden IV[]
Suikoden IV
The Water Dragon in Suikoden IV is first encountered after leaving Troy's ship. It attacks Razro and party with status effect spells and Wind Attacks. After defeating it Razro ends up on the Deserted Island.