# Spike Growth *2nd-level, Transmutation* - **Casting time:** 1 Action - **Range:** 150 feet - **Components:** V, S, M (seven thorns) - **Duration:** Concentration, up to 10 minutes The ground in a 20-foot-radius [Sphere](/Rules/Source/variant-rules/sphere-area-of-effect-xphb.md) centered on a point within range sprouts hard spikes and thorns. The area becomes [Difficult Terrain](/Rules/Source/variant-rules/difficult-terrain-xphb.md) for the duration. When a creature moves into or within the area, it takes `dice:2d4|noform|noparens|avg` (`2d4`) Piercing damage for every 5 feet it travels. The transformation of the ground is camouflaged to look natural. Any creature that can't see the area when the spell is cast must take a [Search](/Rules/Source/actions.md#Search) action and succeed on a Wisdom ([Perception](/Rules/Source/skills.md#Perception) or [Survival](/Rules/Source/skills.md#Survival)) check against your spell save DC to recognize the terrain as hazardous before entering it. **Classes**: [Bard (College of Lore)](/Rules/Source/lists/list-spells-classes-college-of-lore-xphb.md "subclass=XPHB;class=XPHB"); [Bard](/Rules/Source/lists/list-spells-classes-bard.md); [Druid](/Rules/Source/lists/list-spells-classes-druid.md); [Ranger](/Rules/Source/lists/list-spells-classes-ranger.md); [Warlock (The Genie, Dao)](/Rules/Source/lists/list-spells-classes-the-genie-tce.md "subclass=TCE;class=XPHB") *Source: Player's Handbook (2024) p. 319. Available in the <span title='Systems Reference Document (5.2)'>SRD</span> and the Free Rules (2024)*