History of Parasite

Parasite is a Solar Exotic Grenade Launcher from Destiny 2: The Witch Queen.

Overview

Its intrinsic perk, "Worm's Hunger", fires Hive worms that explode on impact. Explosion size and damage scale with the number of enemies defeated just before firing, which makes it strong against bosses.

Acquisition

• Finish the Witch Queen campaign, then speak to Ikora Rey at the Enclave to start the "Of Queens and Worms" Exotic quest.
• Per Shacknews, the 17-step quest includes the Birthplace of the Vile strike, Lost Sectors (Sepulcher, Metamorphosis, Extraction), Cryptoglyph runes, patrols in the Florescent Canal, and the final mission "Parasitic Pilgrimage".
• Lost copies can be re-pulled from Collections.

Catalyst

Sources at the time of the guides reported no catalyst for Parasite; this may have changed since, so check in game.