Are you saying you want to live off the generated income forever? Do you have anything you are passionate about that you might want to build? Might you one day

Are you saying you want to live off the generated income forever? Do you have anything you are passionate about that you might want to build? Might you one day soon? I think you have to expound on what you want to do with yourself before deciding what to do with this boon. Until you answer that, stick to highly liquid very low risk assets and forget about a target return.