Military sources have also expressed concerns that the tribe may have helped plan a series of recent attacks on civilian targets in North West Frontier Province.
The prosecution, portraying the defendants as part of a criminal tribe specializing in contract murders, had charged them with a series of violent crimes.
The series also gets dramatic heft from the story of the Kaw tribe, which was sucked into Neverland and now has a key role in defending its resources from marauders.
One of the series' most beautiful effects occurs during a funeral, when the bodies of tribe members killed in battle are set alight on elevated pyres and then rise slowly toward the sky in a shower of sparks.