Unreal is huge, so having a clear game dev GOAL now is good (often even essential). So try to pick a specific game idea or genre now if possible and stick with it. Otherwise you may find yourself getting pulled in a 1000 different directions, with 100’s of unfinished game projects that go nowhere. As a former C++ dev, don’t recommend learning game dev C++ (unless the goal is to become an engine programmer). BTW: Recommend Epic-funded ‘Godot’, as its a much simpler much more stable starting point. Here’s why 
Good luck!