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==Members==
{| class="wikitable sortable"
! rowspan="2" | Bonding !colspan="2" | Gameplay! rowspan="2" | Origin|-! [[Cost]] !! [[Summon]]ed monster !! Origin
|-
| [[Bonding - D2O|D2O]] || 2 [[Duoterion]]s +<br />1 [[Oxygeddon]] || [[Water Dragon]]/[[Water Dragon Cluster]] || [[wikipedia:Heavy water|Heavy water]]
