The final chapter of the Light vs. Darkness saga is here in Destiny 2 Heresy. The final act of the Hive's story is live for everyone to experience, as Bungie has divided the narration in a weekly manner. Since one of the primary contents of this Act, Rites of the Nine, is still a month away, players have the seasonal quest as the main content for now.
This article will walk you through the Act III edition of the seasonal quest in Episode Heresy.
Crossed Blades Quest guide in Destiny 2 Episode Heresy Act III
1) Go to Eris' Throne World
Go to Eris' Throne World via her flat within the Last City. Open the map, teleport inside Eris' flat, and then take the Hive rift to enter Eris' Throne World.

Here, wait for Eris and Oryx to finish their conversation and then launch the Sunless Cell Strike, as asked by the mission objective.
2) Sunless Cell Strike

Enter the new Sunless Cell Strike and finish the mission. The game will ask you to complete a standard version of the Strike, so follow the objective marker, defeat the enemies, and the final boss to complete the mission step.
3) Return to Slab

Return to the Slab inside Eris' flat and interact with it. On the second page of the Slab inventory, look for six new missions. If you do not see the missions, try switching the path of the Slab. You must complete all the missions to progress through the seasonal quest steps.
A small tip for efficiency: Run a complete Court of Blades with Glaive and Sword while spending Rune in the middle of each fight. This will simultaneously complete two quests.
For the other quests, simply follow the tasks, head to different locations, defeat enemies via the damage type asked by the quests, and then head back to Slab.
4) Head inside Eris' Throne World again
After completing all the side quests from the Slab, head inside Eris' Throne World via Eris' flat once again. Inside, speak with the Echo of Navigation and redeem the rewards. Wait for the conversation between the Guardian and the Echo to end, and the quest step will ask you to wait until next week.
Crossed Blades Quest guide in Destiny 2 Episode Heresy Act III Week 2
1) Echo of Navigation
To start the Week 2 questline of Crossed Blades, head to Echo of Navigation within Eris' Flat and talk to him. From there, your next task is to disrupt Savathun's ritual in her Throne World.
2) Head to Quagmire
Head to Quagmire inside Savathun's Throne World, and follow the marker. You can make the marker appear on your screen by selecting the quest objective on the map or launching the instance directly from the mission tab.

The marker will lead you to the Florescent Canal, followed by the Temple of the Navigator. Here, pick up the Hive Sword present at the entrance, and attack the sphere to open a portal.
Go through the portal and progress toward the Taken Knight bosses on one of the bridges with the Sword in hand. Defeat the Knights and then form another portal.

After going through the second portal, you will encounter two more Knights, which you can defeat using the Hive Sword. Once done, create a third portal and go through it.
Past the third portal, you must defeat Hive Guardians and Taken Knights using the Hive Sword. This fight occurs just outside the Oryx's temple in Savathun's Throne World, which is also a part of the Lightblade Strike. Now, create a fourth portal, and past it, you can collect a Taken severed head.
Listen to Savathun's dialogue and then drop down.

Here, defeat every Taken and Hive enemy thrown at you using the Sword. After you defeat enough of these enemies, a marker will show you the severed head again. Collect it once more and head on to the next quest step.
3) Willbreaker
Complete Mission: Appelation from the Last City map.
4) Shaping Slab
Head to Shaping Slab and collect the rewards.
5) Mission: Resile

Head inside Eris' Throne World once again and listen to all the dialogues. Next, launch Mission: Resile and complete it from the mission tab or Last City map. Lastly, head to the Shaping Slab to complete the Heresy Act III mission and the final story of the Light vs. Darkness saga.
Check out our other Destiny 2 articles:
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