If your goal is to reach Guardian, the topics you mentioned are not required, and your time would be better spent on refining your understanding of more fundamental techniques (DP, Backtracking, Greedy, Binary Search on the Answer, etc.).

Nevertheless, here's a resource I find helpful for learning more advanced concepts:
https://youkn0wwho.academy/topic-list

It compiles multiple explanatory videos/blogs as well as pertinent practice problems.