Rose's ThornsSpell 6
Source Pathfinder Lost Omens Firebrands
Traditions Primal
Cast

Area 20-foot burst
Range 120 feet
Duration 1 minute
Saving Throw basic Reflex
Rose bushes with razor-sharp thorns sprout from the ground in the area. The rose bushes deal 8d8 piercing damage to each creature that's in the area when the spell is cast or that ends its turn in the area (basic Reflex save). A creature that critically fails its saving throw also takes (ternary(gte(@item.rank,9),2,1))d8 persistent,bleed damage and is Immobilized for 1 round or until the creature Escapes (against your spell DC), whichever comes first. The area is difficult terrain and hazardous terrain. A creature that moves through the area takes (ternary(gte(@item.rank,9),8,5)) piercing damage for every square of that area it moves into. Each time you sustain this spell, the radius of the burst increases by 5 feet.
Heightened (9th) The initial damage increases to 12d8, the persistent bleed damage increases to 2d8, and the hazardous terrain damage increases to 8.
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
ConcentrateAn action with this trait requires a degree of mental concentration and discipline.
ManipulateYou must physically manipulate an item or make gestures to use an action with this trait. Creatures without a suitable appendage can't perform actions with this trait. Manipulate actions often trigger reactions.
PlantVegetable creatures have the plant trait. They are distinct from normal plants. Magical effects with this trait manipulate or conjure plants or plant matter in some way. Those that manipulate plants have no effect in an area with no plants.