Stealth Knack is a variant of the original knack. In knack 1, during victor's palace after collecting robot cores is the first time Stealth Knack appears. During Knack 2, after reaching a certain part of the story with a bunch of lasers, stealth knack appears again. Later, in the museum, after smashing a crystal knack appears again.Write the first section of your page here.
As stealth Knack is a variant of the original Knack, It will have special powers. When turning into small knack, it will gain the power to pass through lasers without detection. Note that you cannot do this with the bigger form or any other Knack as they will be hurt by the lasers.