Inhumans by Paul Jenkins and Jae Lee

The Inhumans are one of Marvel's most enduring oddities. A race of genetic freaks living secluded in their island kingdom of Attilan, their mutations are self-endowed; as a coming of age ritual, each Inhuman exposes themself to the Terrigen Mists, a strange substance that imparts unearthly powers. But now Attilan is under attack from without and within. Can the Royal Family, led by the mute Black Bolt, repel the foreign invaders who assail their outer defense, as well as the internal...
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The Inhumans are one of Marvel's most enduring oddities. A race of genetic freaks living secluded in their island kingdom of Attilan, their mutations are self-endowed; as a coming of age ritual, each Inhuman exposes themself to the Terrigen Mists, a strange substance that imparts unearthly powers. But now Attilan is under attack from without and within. Can the Royal Family, led by the mute Black Bolt, repel the foreign invaders who assail their outer defense, as well as the internal threat of Black Bolt's insane brother, Maximus the Mad? Collecting: Inhumans (1998) 1-12