8th-level necromancy (ritual)

Casting Time: 1 hour
Range: 1 mile
Components: V, S, M (an obsidian acorn worth 500 gp, which is consumed in the casting)
Duration: 1 year

You plant an obsidian acorn in solid ground and spend an hour chanting a litany of curses to the natural world, after which the land within 1 mile of the acorn becomes unfertile, regardless of its previous state. Nothing will grow there, and all plant life in the area dies over the course of a day. Plant creatures are not affected. Spells that summon plants, such as entangle, require an ability check using the caster’s spellcasting ability against your spell save DC. If the check succeeds, the spell functions normally; if the check fails, the spell is countered by desolation.

After one year, the land slowly reverts to its normal fertility, unable to stave off the march of nature.

Living creatures that take a short rest within the area of a desolation halve the result of any hit dice they expend. Desolation counters the effects of a bloom spell.

Ritual Focus. If you expend your ritual focus, the duration becomes permanent.

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