Purge the Tormentor is an Objective in the Dungeons Pit of Heresy in Destiny 2: Shadowkeep.
- Drop down from the bridge to the walkway below.
- Turn to the left at the second point and start along the path here.
- Make your way around the corner and descend into Cradle of Damnation.
- Head to the end of the long walkway and perform the long jump to land on the far end of the bridge.
- Jump down and get to the tower section where you will find Zulmak, Instrument of Torment.
Defeat Zulmak, Instrument of Torment
Lead up to Damage Phase
- Zulmak is surrounded by Heretical Knights, as well as towers with inside them.
- Start by killing off at least 1-3 Heretical Knights
- Grab the Hive Blade and head into 1 of the Towers with the Oracle of the Broken Blade.
- In the Tower, DEFEND with the Hive Blade to reflect the blasts from the Oracle of the Broken Blade to destroy it.
- This will drop a Void Charge, which you will need shortly.
- Before grabbing it, do some add control and kill off the Acolytes that are flooding into the chamber.
- With that under control, grab the Void Charge and run to the center of the area.
- Go to any receptacles just off the center to find where to dunk the Void Charge.
- Each has a glowing light, so run to it and dunk that charge to extinguish the Light there.
- You need to head to another tower to find and destroy the Might of the Broken Blade.
- Once again, Claim the Void Charge and use it to extinguish one of the Light around the center.
- After that, go and deal with Omen of the Broken Blade.
- Defeat this Wizard and claim the Void Charge that they drop.
- Extinguish one of the lights around the center.
- When all the Lights are out around the center, then it is time to begin the Damage Phase.
- With the lights extinguished along the outside of the center, step into the center near the Crystal.
- This will give you the buff: Heinous Rite.
- Now, you are in the Damage phase against Zulmak, Instrument of Torment.
- Throughout this fight, you will still need to work on some add control.
- There are Cursed Thrall that will be coming up from the sides.
- At this point, just unleash the barrage of fire that any Guardian is capable of.
- Continue this until you see the message, "The Crystal Surges with Dark Energy" in the bottom left of the screen.
- At this point Zulmak, Instrument of Torment will raise their sword and drive it into the ground, being englufed in flame.
- Get out of the center of the arena before the energy surges from the Crystal to avoid getting killed.
- Repeat this as needed to kill Zulmak, Instrument of Torment.