Updated September 20, 2026
Quick Answer
Closing the Breach is an optional quest in Warcraft III Reforged: Forsaken Kingdom that sends your heroes into abandoned mining tunnels beneath the Undercity.
Your objective is to collapse all three tunnel entrances. The quest counter progresses from 0/3 → 1/3 → 2/3 → 3/3 as you plant the explosives and collapse each breach.
You will encounter Scarlet Crusaders, Black Spiders, and Spitting Spiders while moving through the tunnels.
After collapsing all three entrances, return to Bernd to finish the quest.
Completion rewards shown during the sequence are +300 XP and +250 XP. Gold also increases during the completion sequence, while both Anya and Garek are Level 13 afterward.
How Closing the Breach Works
Bernd explains that the Scarlet Crusade has used explosives to blast into the Undercity, exposing old mining tunnels beneath the city.
These tunnels are abandoned and contain hostile creatures, but the immediate problem is the newly opened breaches.
Bernd's solution is straightforward: use explosives to collapse the tunnel entrances and seal the breaches.
The quest is mainly about progressing through the tunnels and locating all three entrances. Simply defeating enemies does not advance the breach counter.
Closing the Breach Objectives
The main objective is:
Collapse the tunnel entrances (0/3)
The counter updates as you progress:
- 0/3 — Quest begins
- 1/3 — First breach collapsed
- 2/3 — Second breach collapsed
- 3/3 — All three breaches collapsed
Once the counter reaches 3/3, your objective changes to:
Return to Bernd
Follow the objective back to Bernd to finish the optional quest.
How to Collapse All 3 Tunnel Entrances
1. Enter the Abandoned Mining Tunnels
Follow the route into the old mining tunnels beneath the Undercity.
You will see the remains of the old mine, including wooden tracks running through sections of the tunnels.
Garek comments that the tunnels are old and abandoned and appear to have been left empty for a long time.
Be prepared for enemies as you move deeper into the area.
2. Find and Collapse the First Breach
The first section contains hostile creatures and Scarlet Crusade forces.
Anya identifies the Scarlet Crusaders and tells the heroes to eliminate them and plant the explosives.
Defeat the enemies blocking your route and interact with the first breach to plant the explosives.
Once the entrance collapses, the quest counter changes to:
1/3
Garek confirms that one breach has been closed and that the others still need to be sealed.
3. Continue Through the Mining Tunnels
Keep following the old mine tracks deeper into the tunnels.
You will encounter Level 10 Black Spiders along the route.
These enemies are part of the journey through the tunnel system rather than separate quest objectives.
Continue exploring until you reach the next breach.
4. Collapse the Second Breach
Locate the second tunnel entrance and plant the explosives.
After it collapses, the quest counter advances to:
2/3
Continue moving through the tunnels rather than returning to Bernd at this point.
Two breaches have been sealed, but the quest requires all three.
5. Collapse the Third Breach
Continue deeper through the remaining tunnel sections.
You will encounter Level 11 Spitting Spiders in the later sections.
Reach the final tunnel entrance and plant the explosives.
Once the final breach collapses, the objective becomes:
Collapse the tunnel entrances (3/3)
The quest then updates to:
Return to Bernd
6. Return to Bernd
Make your way back to Bernd after reaching 3/3.
Bernd acknowledges the adventure and wonders what else could be buried around the Undercity.
The optional quest is then completed.
Enemies You Encounter
The tunnel section includes several types of enemies:
- Level 10 Black Spiders
- Scarlet Crusaders
- Level 11 Spitting Spiders
The enemy encounters can make the route more dangerous, but defeating them is not the primary objective.
Your progress is tied to collapsing the three tunnel entrances.
Revival Altar
A Revival Altar can be found along the mine tracks.
This provides a useful recovery point while exploring the tunnels, particularly if your party takes significant damage during the enemy encounters.
You do not need to interact with it to complete the quest.
Closing the Breach Rewards
Completing Closing the Breach produces the following experience gains during the completion sequence:
- +300 XP
- +250 XP
The floating reward numbers appear as the optional quest completion registers.
Your gold total also increases during this sequence, but the gold shown in the resource display should be treated separately from the floating XP rewards.
Both Anya and Garek are Level 13 after the sequence.
Troubleshooting
The quest is still showing 1/3 or 2/3
You have not yet collapsed all three tunnel entrances.
Keep following the mine route and look for the next breach rather than returning to Bernd early.
The quest only advances when another entrance is successfully collapsed.
I killed all the enemies but the quest did not progress
Enemy kills are not what advances the main counter.
Check your objective:
Collapse the tunnel entrances (0/3)
You need to locate and plant explosives at the required tunnel entrances.
I reached the tunnels but cannot find the next objective
Use the wooden mine tracks as a navigation landmark and continue deeper through the abandoned tunnels.
The route progresses through multiple sections before reaching all three breaches.
Can I return to Bernd after only one or two breaches?
You can return, but the quest will not be complete until the counter reaches:
3/3
Collapse all three entrances before returning to Bernd.
FAQ
How many tunnel entrances must you collapse in Closing the Breach?
You must collapse three tunnel entrances.
Is Closing the Breach a main quest?
No. Closing the Breach is an optional quest.
What enemies appear during Closing the Breach?
You encounter Level 10 Black Spiders, Scarlet Crusaders, and Level 11 Spitting Spiders.
Is there a Revival Altar in the tunnels?
Yes. A Revival Altar is located along the mine tracks and can be useful for recovery during the quest.
What are the rewards for Closing the Breach?
The completion sequence displays +300 XP and +250 XP as floating experience gains. Gold also increases during the sequence, and both Anya and Garek are Level 13 afterward.
Do I have to kill every enemy to complete the quest?
No. The important requirement is to collapse all three tunnel entrances and then return to Bernd.
What to Do After Closing the Breach
Once the quest is complete, continue with the remaining Forsaken Kingdom Act 2 objectives and optional content.
If you are working through the Scarlet Monastery section, see the Warcraft 3 Scarlet Monastery Walkthrough for the main objectives, optional quests, and bosses.
For another Act 2 optional quest, see the Warcraft III Forsaken Kingdom Blessed Silence Guide, which covers the Banshee and damaged pylon objective.
You can also use the Golem Smash Guide for the Flesh Golem optional quest.
Final Tips
- Collapse all three tunnel entrances before returning to Bernd.
- Watch the quest counter: 0/3 → 1/3 → 2/3 → 3/3.
- Use the mine tracks as a useful navigation landmark.
- Expect Black Spiders, Scarlet Crusaders, and Spitting Spiders.
- Use the Revival Altar if you need to recover during the tunnel section.
- Do not mistake enemy kills for quest progress—the objective is to collapse the breaches.
- Once the counter reaches 3/3, return to Bernd to complete the quest.
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