Board Thread:Theories and Rumors/@comment-30922198-20170119153924/@comment-26381381-20170120143245

Ninjagozane wrote:

Robots in Ninjago have the same components as robots in real life. They are made out of metal function with electicity, Zane without exception. NO, THEY AREN'T. In Ninjago are different metals, minerals, eletrical powers, ... I'm not sure if in our world can be some metal invisible, but in Ninjago it is able (see episode 28.).

You're right about chinese and japanese inspiration, but the show isn't about those lands, it's about fantasy dimension with androids and ninjas.

And like Warptoad wrote, he's a Master of ice, so it isn't problem for him to stay in frozen lake.