Single night? Barely counts as camping, but I would recommend taking -
Stuff for a fire and chairs to sit round it
Lots of booze, especially spirits. Jagermeister is a great warmer as the evening chill sets in
ingredients for spicy food - something simple like a chilli or even better burrito/ quesadilla street food that requires no plates and therefore less washing up
music, camping playlist is largely dub reggae, hence…
Something leafy to smoke to make everything go nice
if there be wimmin, then thick fleeces, blankets, wine and marshmallows and skewers too
If you do need to piss in a bucket in the middle of the night remember to put something absorbent in the bottom of the bucket or you’ll wake up the whole campsite
Blow up mattress, duvet, you, another duvet and a blanket. Don’t forget the finest pillows you can afford. It will still be shit, but at least you will be warm.