Some mods that I recommend...

[Exzelis]

This game is already abandoned. So why not add some mods to spice things up? 😎

*These mods does not work in online co-op mode.*

MDSaveEdit.exe, the ultimate cheat tool. Use this to modify your equipments & enchantments.
https://www.nexusmods.com/minecraftdungeons/mods/76

Faster Startup Screen, it's annoying that we can't skip the game intro.
https://www.nexusmods.com/minecraftdungeons/mods/28

Dark Camp, turn your boring camp into night time. My favorite is Camp (End Wilds).
https://www.nexusmods.com/minecraftdungeons/mods/170

Custom Skins Loader, this is a guide on how to use custom skins in Minecraft Dungeons.
https://dokucraft.co.uk/custom-skins-loader

Invisible Armor, basically hide armor that you equipped in game. I don't know why Mojang doesn't add this as a feature.
https://www.nexusmods.com/minecraftdungeons/mods/18

Rustic Loading Screens, change the loading screen image into rustic paint for aesthetic.
https://www.nexusmods.com/minecraftdungeons/mods/23

Baby Dragon pet, change the parrot into a baby dragon with working animation.
https://www.nexusmods.com/minecraftdungeons/mods/65