Tripwire Patch 2014
CR 4 plant
Huge plant, unaligned
When the tripwire patch reduces a creature to 0 hp nearby plants erupt with growth. Plants within 20' of the body become thick overgrown difficult terrain and all plants within a 2-mile radius centered on the point where the creature was killed become enriched for 7 days for each CR of the slain creature (minimum of 7 days) cumulatively increasing in duration each time the patch kills a creature. Enriched plants yield twice the normal amount of food when harvested.
While motionless indistinguishable from normal patch of foliage such as flowers or bushes.
Reactions
If a prone creature within 5 ft. of patch stands up from prone patch can make one Bite vs. it.
Source: Tome of Beasts 3 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details