Hedgecraft Horror
7-level Enchantment
The ground rises 5 feet in an unoccupied space you can see and releases fiery hot magma in a 15 foot radius that covers the ground in lava. Creatures in the blast radius must make a Dexterity saving throw or take 8d8 fire damage, or half on a successful save. The lava is considered difficult terrain for the duration. When a creature moves into or within the area, it takes 1d6 fire damage for every 5 feet it travels.