Are +1 weapons magical?

Are +1 weapons magical?

Yes they are. Masterwork is the best a weapon can get by default and additional improvements take the form of magical enhancements. Yes but I consider all +1-3 weapons and armor as masterwork so magic weapons feel actually unique.

What school of magic is a +1 weapon?

Necromancy, divination, illusion, and abjuration aren't even close. It's transmutation. Magic weapons, as in anything with a + bonus to attack and damage, are crafted using the magic weapon spell which is transmutation. If it's just a generic +1, then I think any magic user can learn to make one, independent of school.

Can you attune during a long rest?

Yes, a long rest can immediately follow a short rest. In addition, you should be able to attune to something over a long rest.

How do you attune a weapon?

Attuning to an item requires a creature to spend a Short Rest focused on only that item while being in physical contact with it (this can't be the same short rest used to learn the item's properties).

What is the max attunement slots in Dark Souls?

The maximum possible Attunement slots is 12. This is only obtainable while wearing both the Darkmoon Seance Ring, the White Seance Ring and having 50 or higher Attunement.

How long does it take to attune?

15-20 minute