Unlike other Legions, the White Scars made little use of Terminator armour, preferring the speed that lighter plates offered. ... Acting as a shield to the more fragile contingents of the White Scars, those Ebon Keshig who survived were deemed to have proved themselves worthy in the eyes of the Legion.
Do White Scars have Primaris?
Stats-wise he's basically a Primaris Captain with a special (and pretty good) melee weapon in Moonfang: a S6 AP-3 d3 Damage sword which can re-roll wounds and damage against characters.
Are White Scars chaos?
The White Scars are a formerly Loyalist First Founding Space Marine Legion of Heretic Astartes who are wholly dedicated to the service of the Chaos God Slaanesh, the Prince of Pleasure, though they were originally the proud Vth Legion of the Legiones Astartes.
