Oh...Have you completed Terraria yet? Well, congratulations, I forgot to say about the secret seeds, Which you can find either on RU-vid in tutorials or in terraria-fandom
I think when you finish zombie catchers, you should play mad dex, interesting graphics, about the downsides - strange blood. I also recommend downloading games like APK, Therefore, it makes good sense to play them, if you don’t want to play mad dex, then wall kickers, boring, but you can collect them, you can develop dexterity and attentiveness.
Go back to the dungeon and kill the cults there to summon a boss called the Cultist. Killing it will trigger the Celestial Pillars event. Destroy the four pillars and wait for Moon Lord to approach.
I don't know much about the hardmode Terraria but here's the list of the bosses needed to defeat in order to progress: 1. The Destroyer (Worm) 2. The Twins (Eyes) 3. Skeletron Prime (Skeletron but upgraded) 4. Plantera 5. Golem 6. Lunatic Cultists 7. The four celestial pillars 8. Moon Lord. According to ChatGPT, defeating Duke Fishron is recommended and optional to defeat.
Queen bee can get aggressive if fought in the wrong places. When you fight in any biome but in the jungle, Queen Bee is aggressive. When she is fought on the surface jungle, she's aggressive, but much lesser. When fought in Underground Jungle, she's normal.