Myalba Tibetan ''dmyal ba'' (nyal-wa). In Tibetan Buddhism it is considered to be the lowest hell, inhabited by the sixth and lowest class of beings. A place of dreadful punishment for the wicked, who are tormented there most cruelly. Equivalent to the Sanskrit naraka or avichi.
In Esoteric Philosophy it is a name for our earth for those whose karma is to reincarnate for the purgation of suffering.