For every 5 models in this unit, 1 Sword Brother’s heavy bolt pistol and Astartes chainsword can be replaced with 1 twin lightning claws.

For every 5 models in this unit, up to 2 Sword Brothers can each have their heavy bolt pistol replaced with 1 pyre pistol.

For every 5 models in this unit, 1 Sword Brother’s heavy bolt pistol can be replaced with 1 plasma pistol.

For every 5 models in this unit, 1 Sword Brother’s Astartes chainsword can be replaced with 1 thunder hammer.

Any number of Sword Brothers can each have their Astartes chainsword replaced with 1 master-crafted power weapon.