Have you tried the MK9 Kratos mod? Let us know in the comments if you prefer the classic Greek blades or the new Leviathan Axe moveset.
For those interested in the ongoing efforts of the modding community, discussions and potential workarounds are frequently updated on the MK9 PC Mod Thread set up RPCS3 for MK9, or are you more interested in finding cosmetic skin mods for the existing PC roster? kratos mk9 pc mod
The mod includes three custom "Brutality" finishers (non-canon to MK9’s engine, but scripted via DLL injection): Have you tried the MK9 Kratos mod