|Type||Games → Card-Jitsu: Water|
|Release date||November 24, 2010|
|Description||Win 100 matches|
- This stamp was released on November 24th, 2010, along with other Card-Jitsu Water stamps, as well as Card-Jitsu and Card-Jitsu Fire stamps.
- During the Card-Jitsu Party 2011, non-members could earn this stamp.
- This stamp was made available to all players permanently on May 9, 2013.
- This stamp is a bait item if a player attempts to perm it.
Names in other languages
|Portuguese||Mestre da Água|
|French||Expert en eau|
|Spanish||Experto en agua|