Time for the last Eldritch Knight spell for a bit-the Weapon Halo!
Casting Time: 1 action
Components: V, S, M (a weapon)
Duration: Concentration, up to 1 minute
When you cast this spell and touch a melee weapon, you are instantly surrounded by fiery and icy floating versions of the weapon. For the duration of this spell, any creature that attempts to attack you with a melee attack has disadvantage and takes 2d6 cold and 2d6 fire damage. The creature that succeeds at a Constitution saving throw reduces the damage by half for each type of damage.