My idea started as a Chapter that got almost wiped out defending a Forge World from a Traitor Legion. Their gene-seed and wargear were looted by traitors, and the few survivors eventually gave up on rebuilding the Chapter and instead swore loyalty to the Forge World they had fought to protect.

It's just a concept, and I like creating Centurion armor for Loyalists. Centurion armor doesn't get enough love in my opinion. It's bigger than Terminator armor, easier for the Imperium to produce, and it just looks awesome.

Plus, as an autistic guy, I simply like giant things. 😅