How did Zan become a titanium ninja?

It has been modified. Zan is a robot, Zan is an ice ninja master, a mechanical ninja, and has the power of ice elements. In the confrontation with the gold master, he mutually assured destruction. Later, he was transformed into a titanium alloy robot and became a phantom ninja again. Zan Julian Robert, invented by Master Wu, is a character in the animated series Lego Phantom Ninja.