Why does the tadpole stay snuggled in my companions brain when they die.
I hovered over their lifeless body just waiting to squish the little devil...but...nothing.
Because your tadpoles have been modified, unlike Edowyn and the others' - the Mysterious Guest & Omeluum tell you so. Or because Tav&team are 'chosen ones' - and we'll discover further along the story that we're all 'special'. I hope it's the first choice instead of the second.