Warcraft III Reforged Forsaken Kingdom Chapter 3 Walkthrough: Siege Objectives, Settlements & Plague Cauldrons
Updated September 15, 2026
Quick Answer
Chapter 3: Siege begins just days after Garek escapes Capital City in Chapter 2. Your first goal is reaching Andorhal, rescuing Ilastar Songbreeze, and rebuilding nearby settlements into a functioning Alliance base.
The mission then transforms into Siegebreaker, where you must capture four guard towers, complete optional reinforcement objectives, destroy Plague Cauldrons, and finally defeat Ras Frostwhisper to break the Scourge siege.
Continue the story: If you're coming directly from the previous mission, read Warcraft III Reforged Forsaken Kingdom Chapter 2 Walkthrough: Treachery Objectives, Cogwheels & Broodmother Guide first.
📋 Table of Contents
- Quick Answer
- Chapter 3 Overview
- Phase 1: Retake the Countryside
- Rescue Ilastar Songbreeze
- Repair Every Settlement
- Best Build Order & Economy
- Optional Quest: Plague Cauldrons
- Phase 2: Siegebreaker
- Capture All Four Guard Towers
- Optional Quest: Reinforcements
- Defeat Ras Frostwhisper
- Rewards and Missables
- FAQ
- Final Verdict
Chapter 3 Overview
- Starting area: Outskirts of Andorhal
- Heroes: Garek Bandarion & Ilastar Songbreeze
- Main quest: Retake the Countryside
- Optional quests: Plague Cauldrons & Reinforcements
- Final boss: Ras Frostwhisper
Unlike the first two chapters, Siege is a hybrid RTS mission. You'll gather resources, repair settlements, unlock new unit types, research upgrades, and eventually command a full Alliance army during the battle for Andorhal.
Phase 1: Retake the Countryside
The opening objective is straightforward: reach Andorhal and establish a defensive foothold before the Cult of the Damned overruns the countryside.
Main objectives
Your army begins with Garek and a small squad of guards. Don't rush every enemy camp—instead, prioritize reaching friendly settlements so you can begin rebuilding your economy.
Rescue Ilastar Songbreeze
Early in the chapter, you'll discover a militia force under attack outside Andorhal.
After defeating the Cult raiders, Ilastar Songbreeze joins your army as a playable support hero.
Why Ilastar is important
- Powerful healing through Light's Mercy
- Excellent support for Footmen and Riflemen
- Holy magic deals bonus damage to Undead
- Becomes essential during later tower defenses
If you're unfamiliar with Garek's RPG progression, see the Warcraft III Reforged Garek Bandarion Guide: Story, Abilities & Talents after finishing this mission.
Repair Every Settlement
This is the mechanic most players overlook. Every repaired settlement unlocks new production or economic benefits.
Settlement unlocks
Tip: Repairing settlements doesn't just unlock buildings—it also helps stop incoming enemy attacks and gives you control of the surrounding settlement until the enemy contests it again.
Best Build Order & Economy
A strong economy makes the second half of Chapter 3 dramatically easier.
Recommended build order
- Repair the Lumber Mill immediately.
- Research Improved Lumber Harvesting.
- Build 2–3 Farms before reaching the food cap.
- Capture the Gunshop for Riflemen.
- Capture the Church to unlock Priests.
- Research Masonry before expanding your defenses.
Avoid overspending on Footmen early. Riflemen provide much better value once the Gunshop becomes available.
For a full breakdown of equipment, rings and consumables, see Warcraft III Reforged Equipment & Inventory Guide: Gear, Rings, Stash & RPG Stats Explained.
If you're still getting used to the campaign's expanded RPG-RTS systems, the Warcraft III Reforged Forsaken Kingdom Beginner Guide: 9 Mistakes to Avoid Early is also useful before pushing deeper into the campaign.
Optional Quest: Plague Cauldrons
While reclaiming settlements, Ilastar discovers the source of the endless undead attacks: Plague Cauldrons.
Why destroy them?
Each destroyed Plague Cauldron permanently stops Zombies from spawning in that section of the map, making later defenses much easier.
Rewards
- Bonus experience
- Hero Talent Point
- Safer routes between settlements
- Reduced pressure during Siegebreaker
This optional quest is highly recommended before advancing the story.
Phase 2: Siegebreaker
After every settlement is reclaimed, Chapter 3 changes into a completely new objective.
Instead of expanding your economy, you'll fight for control of Andorhal's four guard towers while defending the city against repeated Scourge assaults.
Capture All Four Guard Towers
The four towers function as strategic control points.
Towers to capture
How tower control works
- Stand inside the capture circle.
- Control rises from 0 to 100.
- Enemy attacks gradually reduce control.
- Towers passively muster Alliance troops nearby.
- Keep at least one tower under Alliance control.
Don't split your heroes unnecessarily. Let Footmen hold captured towers while Garek and Ilastar respond to the heaviest attacks.
Optional Quest: Reinforcements
This is the most valuable optional quest in the chapter.
Objectives
- Open the Western Gate
- Open the Eastern Gate
- Clear the Northeastern Gate
How to complete it
Rather than searching for keys, simply attack the highlighted gate levers beside each gate. Once all routes are opened, Uther's Paladins reinforce the city streets and significantly strengthen your defenses.
Completing Reinforcements also gives you additional support before the final boss.
For more information on the Paladin's role and abilities, see the Warcraft III Reforged Forsaken Paladin Guide: Abilities, Mana Costs & Best Role.
Defeat Ras Frostwhisper
Once the towers and city objectives are complete, Siegebreaker updates with a new final objective: defeat Ras Frostwhisper.
Best strategy
Before engaging
- Capture all four towers.
- Finish Reinforcements if possible.
- Destroy remaining Plague Cauldrons.
- Bring Priests and Riflemen with your frontline.
During the battle
- Focus Necromancers before skeletons.
- Keep Ilastar behind Garek.
- Use Light's Mercy to sustain clustered allies.
- Save healing consumables for Garek rather than Footmen.
Ras Frostwhisper is defeated at the end of the mission, but the story makes it clear that the larger Scourge conflict is far from over.
Rewards and Missables
Missable content
Best upgrades before the finale
Prioritize these research upgrades if resources allow:
- Improved Lumber Harvesting
- Advanced Masonry
- Long Rifles
- Iron Plating
- Studded Leather Armor
These upgrades provide a much bigger advantage than simply training additional Footmen.
FAQ
How do you unlock Riflemen in Chapter 3?
Capture and repair the Gunshop. Once secured, Riflemen become available for recruitment from that settlement.
How do you unlock Priests?
Repair and capture the Church settlement. It unlocks Priest training and healing support for your army.
What do Plague Cauldrons do?
Plague Cauldrons continuously generate Zombie reinforcements. Destroying them permanently stops undead spawning in that area.
How many Guard Towers are there?
There are four strategic Guard Towers: North Western, North Eastern, South Western and South Eastern.
Is Reinforcements optional?
Yes. However, completing it opens the city gates and allows Uther's Paladins to reinforce Andorhal, making the final battles much easier.
Does Ras Frostwhisper die in Chapter 3?
No. The chapter ends with Ras Frostwhisper defeated as the siege is broken, but the wider campaign continues into the next chapter.
Final Verdict
Chapter 3: Siege is where Forsaken Kingdom fully embraces its RPG-RTS identity. Instead of simply surviving, you're rebuilding Lordaeron one settlement at a time—unlocking new units, researching upgrades, and coordinating two heroes across one of the campaign's largest battles.
The key to an easier victory is simple: repair every settlement, complete both optional quests, and capture all four Guard Towers before confronting Ras Frostwhisper.
Continue the Prologue: Chapter 4 Vengeance follows Garek as he defies Uther's orders and begins his pursuit of Arthas beyond Andorhal.
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