Eliminate combatants using Swords, Glaive melee attacks, and melee abilities in Savathûn's Spire or the Altars of Summoning to gather Insight.
"The Hive believe the simplest truth is the edge of a blade. It separates life from the living and falsehood from the universe. It brings about the final promise: the end of violence and death. There is no greater triumph." —Eris Morn