Board Thread:Theories and Speculation/@comment-1512913-20161119171442/@comment-25283946-20161128222416

Elveonora wrote: Considering 2nd Mizukage is stated to have a kekkei genkai in databook, yet didn't use it in the manga, I don't see why people find it unlikely that a character may possess a certain power and not use it in the story. Just look at most of the characters, 4th databook revealed all those natures for them, yet many didn't even use 1 nature the databook says that they can.

... 2nd Mizukage creates steam (boil release??) with Steaming Danger Tyranny.