According to BS01, Karzahni "hosted" Jaller and his matoran crew for a time. When they travelled to his realm, Karzahni promptly had their masks removed and replaced with the non-organic versions of the Toa Inika masks. Did Karzahni make these masks that he forced them to wear? What about Kongu's Soletu? It seems like Kongu knew what type of mask that was because he swiched it with Karzahni's provided mask at the last second. When the Voya Nui Resistance Team found their easy into Karzahni's Lair, I am assuming he made them remove their masks as well. When the team left the realm, they were wearing Powerless Great Kanohi. Do you think they found those masks? Did Karzahni possibly make them? Did they leave unmasked? One of my friends suggested that Karzahni kept piles of masks to fix Matoran. That would be pretty cool.