Ok ok i know, this will likely never happen, nor do i really want it to happen, it's just a design i made that i think turned out to be pretty cool. But here is the lore anyway

So since the islets are so small compared to normal islands, there is no room whatsoever for 3 wubboxes per island. So instead, there would be one island-themed wubbox, in this case it would just be called the plasma islet wubbox (i only called this the epic wubbox so it would show up on google when you search for plasma epic wubbox designs). I was thinking that the islet wubboxes could be more prototypes found deep in the workshop that zarroë brought up to the islets and can be activated using commons, rares, and epics (not the primordial tho) since it would have to be harder

Bio:

The Supernaturals have reached the islets! Unlike most islands, these wubboxes only have one variant. This is because each wubbox is actually just prototypes, based on each ethereal element, forgotten in the depths of the workshop due to their instability. But Zarroë decided to give these abandoned wubboxes a second chance by bringing them to the islets! Activating these wubboxes is no easy task, however. Because there is only room for one variant, the islet wubboxes require all 3 variants of each ethereal monster.

Btw mech islet is awesome