How do people farm now?

I haven't played since 2018 and back then all you needed was a duo hydroid/nekros sitting in a hallway waiting for things to die in the tentacles, now I've heard that khora is better than hydroid for this. What kind of build do you need to use, and how do you play? Do you just place the dome near the door and wait like hydroid or do you have to do other stuff? I liked the old method because it was nearly afk. I've tried looking for posts already on the subreddit but none of them asked all of the questions I have