Barem

Barem is a pollution-byproduct that first appeared in the 1997 film, Rebirth of Mothra II.

Rebirth of Mothra II
The Barems where created as a byproduct when Dagahra absorbed pollution. They were even more toxic than the pollution itself, and where what killed the Atlanteans. When Dagahra was re-awoken, had began producing more. They caused destruction when they washed up on shore, and they were used as a weapon by Dagahra to fight off Mothra Leo.