Crystal Eruption (M2, W2)
Source
Interstellar Species pg. 123
You force unstable magic into the ground, causing jagged crystals to erupt in the area. Creatures in the area and in contact with the ground when the spell first takes effect take @[2d8 piercing damage][roll 2d8 as damage for 'Crystal Eruption']. The crystals remain for the spell’s duration, making the affected area difficult terrain that deals @[1d4 piercing damage][roll 1d4 as damage for 'Crystal Eruption'] to a creature any time they move into an affected square on foot.
Dragonscript
ID
10c1c49718d606e3f501330e
Effect
append '41134c4dac8712a5c5da9538' to character.spells;