Modder CherryDoom has released a brand new version of the NieR Automata 2B mod for both the original and the remastered versions of Dark Souls. In case you werent aware of, this mod replaces the main 3D model with 2B from NieR Automata.
Source: N4G PC New version of the NieR Automata 2B mod for both Dark Souls and Dark Souls Remastered released