History of Dreadful Discoveries

Overview

Dreadful Discoveries is a Triumph in Destiny 2 from Episode: Heresy. It is earned by completing the side quests for all three acts of the episode, which are offered through Sloane's Dossier. It counts toward the Heretic title.

How to complete

Finish every quest below. If a quest never appeared in your journal, go to the Shaping Slab in the Last City to claim it.

Act I: Echoed Warnings (Hive Hacking)

1. Mission Dossier: Hive Hacking, Cultist's Limb
2. Mission Dossier: Hive Hacking, Lightsinger's Limb
3. Mission Dossier: Hive Hacking, Blade Navigator's Head

Act II: Rites of the Deep (Willbreaker Shards)

1. Shattered Will: Vorok, Sentinel Eternal
2. Willbreaker: Dreadnaught
3. Shattered Shards: An Entity Manifested
4. Shattered Shards: Lost in Prophecy
5. Shattered Shards: Innermost Power

Act III: Crossed Blades (Vengeance)

1. Mission Dossier: Witch's Gambit
2. Mission Dossier: Sibling Squabbles
3. Mission Dossier: Blade Logic
4. Writ: Misguided Vengeance
5. Writ: Bloodied Blades
6. Writ: Heir of Nothing

Tips:

• You do not need the Act II and Act III quests to progress the story, but the triumph needs them, so you may have to go back to earlier quests.
• Its only listed reward is progress toward the Heretic title.