From Lexicanum

Dhar'leth is a Daemon Prince of the Black Legion.

Before pledging loyalty to Abaddon the Despoiler, he was a member of the Night Lords.²

Notable battles

165.M37 - Antecanis Massacre: Forming the vanguard of Abaddon's attack, he led his Black Legionnaires against Monarchive, seat of the Imperial Commander on Antecanis IV.^{1 2}

Sources

• ¹:Codex: Chaos Space Marines (3rd Edition, 2nd Codex), p.65
• ²:Warhammer 40,000 5th Edition Rulebook: The Antecanis Massacre, p.148