Aegis of the Elements

You twist the laws of nature in order to avoid harm.

Attacks, spells and abilities against you are made with disadvantage and you have advantage on any ability saving throws imposed by them for the duration of this spell.  Creatures starting their turn or trying to move within 5 feet of you take 4D10 fire damage and must make a Constitution saving throw or be pushed away from you by 10 feet.  You gain a number of temporary hit points equal to 3D12 plus your spellcasting modifier and are immune to the effects of mind altering spells and abilities for the duration of this spell.