Arcane Sheild

This Spell is a Rare Spell these type of spell you need to find or unlock from a spell scroll or some other Source(optional rule)

You touch a willing creature and grant them resistance to damage from spells for the duration of this spell.

At Higher Levels. When you cast this spell using a spell slot of 4th level the duration increases to 10 minutes. When you cast this spell using a spell slot of 5th level, the duration increases to 1 hour. When you cast this spell using a spell slot of 7th or higher, the duration increases to 8 hours and does not require concentration.