Homebrew
Voltaic Pillar
2-level Conjuration
Range/Area: 60ft
Components: Verbal, Somatic, Material
Materials: a pinch of magnetized metal
Duration: concentration, up to 1 minute
Attack/Save: Constitution
Damage/Effect: Lightning
As an action, you create a five foot tall, 1 foot wide pillar of compacted sand and metal within a space that you can see within 60 feet of you. For the duration of this spell, creatures that enter or start their turn within 5 feet of the pillar must pass a Constitution saving throw or take 2d6 lightning damage. Addionally, spells that create arcs of electricity at range such as call lightning, chain lightning, or lightning bolt within 30 feet of the pillar are redirected to the pillar as the primary target.
At higher levels: At spell levels 2, 5, 7, and 9 its damage increases by 1d6. At spell levels 4, 6 , and 8 its areas of effect are increased by 5 feet.
Available for: Druid, Occultist, Sorcerer, Warlock, Wizard