Void armor

Creature within range of sight that is not wearing armor gets enchanted. Then treatment causes them to have a force field all around them (minus mouth and and nose) that is half a millimeter thick, and having the effects of wearing light armor. The force field gives the player resistance to acid, fire and ice. The force field also gives them immunity thunder damage, and poison if it isn’t critical. This can be cast as a level 6 spell with a duration of 3 minutes instead of 5 and make a DC of 15 or greater. Also if you get a critical fail on casting this spell you have to roll a 1d8 for the side effects below. 

• 1: Targeted creature cannot breathe until spell ends.
• 2: Targeted creature gets 1d4 force damage. Spell ends immediately after.
• 3: Targeted creature gets 2d6 force damage. Spell ends immediately after.
• 4: Creatures and objects are unable to get in 1d6 feet of targeted creature until spell ends. Add creature is considered grappled until spell ends.
• 5: Targeted creature is blind, deaf, and appears to be black until spell ends.
• 6: Spell caster casts void armor individually on every creature with in 10 feet of targeted creature. And spellcaster gain one level of exhaustion.
• 7: All creatures within 15 feet of targeted creature moves 5 feet away from targeted creature and take 1 forced damage. Targeted creature gets gets 3d8 force damage.
• 8: Roll two more 1d8 for side effects and another if casted as a 6th level spell.