Forge Brethren: the defensive save-boosting formation (AoS 4th Ed)
Leans into the grinding game with improved saves for your infantry — a hold-the-line choice.
SprueSentry strategy commentary for Age of Sigmar 4th edition, not official rules. Games Workshop updates points and rules regularly — always confirm against the current official rules and your latest dataslate before a game.
Forge Brethren is the defensive-minded Fyreslayers formation, improving save rolls for your infantry (associated with holding your own territory). It plays into the army's identity as an immovable grinding force. Confirm the precise condition and value in the current faction pack, as defensive bonuses are frequent Battlescroll targets.
What the formation does
It improves the save rolls of friendly infantry, making an already-durable army even harder to shift — particularly effective when you are dug in and defending ground rather than pushing forward.
Who it suits
Players who want to sit on objectives, absorb the enemy assault, and win on attrition and points. It favours a patient, reactive style over alpha aggression.
Key units
- Vulkite Berzerkers — durable objective-holders that get even stickier.
- Hearthguard Berzerkers — a tough anvil that counter-punches.
- Auric Runemaster / priests — to layer the Rune of Fiery Determination ward on top of the improved saves.
- Battlesmith — battle-shock resilience to keep the line intact.
When to pick it
Pick it into high-damage opponents or objective-grind missions where surviving on points matters more than killing power. It is less exciting into passive or evasive foes you actually need to chase down.
Common questions
Does the save bonus apply anywhere on the board?
Community sources associate the bonus with holding your own territory rather than being fully unconditional. Check the exact condition in the current faction pack before relying on it forward of your lines.
How does it compare to Warrior Kinband?
Forge Brethren is the defensive counterpart: Warrior Kinband maximises charge damage, Forge Brethren maximises staying power. Choose based on whether your plan is to attack or to grind.
- Wahapedia — Fyreslayers (AoS 4th) · 2024-2026 (updated)
- Goonhammer — Faction Pack Overview: Fyreslayers (AoS 4th Edition) · 2024
- Woehammer — 4th Edition Faction Review: Fyreslayers · 2024-08-21
- Warhammer Community — Age of Sigmar Faction Focus: Fyreslayers · 2024
- Woehammer — December Battlescroll Review: Fyreslayers · 2025-12-19
Written by SprueSentry with SprueSentry editorial (hand-authored, research-grounded), grounded in the cited sources — original commentary, not Games Workshop rules text.