A huge new Witcher 3 mod lets you create custom characters with all-new combat systems and questlines, but it's actually been in the works since long before CD Projekt released its official modding tools.
Earlier this year, CD Projekt released REDkit for The Witcher 3, official modding tools allowing for players to create new characters, animations, items, entire questlines, and much more. You'd think this would naturally open the floodgates for many new, impressive mods for The Witcher 3, which is nearing a decade old at this point, but still going strong.
