Please, recommend me some anime that are worth watching/that are considered masterpieces

I need some anime recommendations that are worth my time/are considered masterpieces by many, the reason being i often don't have enough time to binge animes and whenever i happen to watch one i get fully invested in it and always watch it to the end, ultimately i guess i just don't like leaving any show in the midway unless it's unbearable of course, so ANY anime that you believe(without being biased) one should watch at least once in their anime journey FEEL FREE to drop some names and if you're at it please explain the WHY?

Here are the animes i've watched up until now :--death note, vinland saga, all of big 3 +DB, monster, steins;gate, code geass, FMA&FMA:B both, cowboy bebop, pluto, tokyo ghoul, dandadan(being the latest and because of the hype), oregairu(the only romance anime i've watched besides the movies and probably the last, ohh and please don't suggest any isekai/romcom/whatever infamous genre filled with trashy animes out there) and some others.

In movies:--your name, weathering with you, a silent voice, i want to eat your pancreas and again a couple more.

Planning to watch:--AOT, serial experriments lain, HXH, NGE,perfect blue and a couple more that i can't seem to remember right now but i guess it's enough.