Favorite mod in minecraft?

What's your favorite mod in minecraft? My example is playerex.

On the day of the clouds of cloudburst, the invitation is on the Eid Day.
Sweet sweet honey invited to come.
If you do not come - take the Eid Mubarak ahead ... "Eid Mubarak"

In my opinion, it must be EnderIo frommachines, conduits,crafting recipes, resources, basically everything in it. The mod also has cool looking blocks and the connection between machines arelit

the car mods and weapons I prefer

Ars Magica 2, well on the old versions, on the new ones Mana and Artifice, i just feel bad not playing these magic mods, i really love them