How to get the Black Greatsword (Guts’s Sword) – Remnant 2
Initially, ensure you own The Dark Horizon DLC since the sword was introduced in that expansion pack. After installing it, navigate to Brabus in Ward 13 and purchase every weapon he offers for sale. If you haven’t bought these weapons before, you may need a substantial amount of money for this task. Once his inventory is depleted, simply exit the conversation and then speak with him again.