Magma Surge

Magma Surge
This weapon stores the immeasurable heat of the planet's molten mantle. When this weapon is used, superheated magma occasionally surges to the surface, slowing an enemy down and inflicting massive fire damage over time.
 * 2% chance of activating, ~80d6 fire damage over 4secs, Movement 50% slowed, Attack rate 30% slowed and -1 penalty to attack rolls, AC, reflex save.

Magma Surge Guard
This item stores the immeasurable heart of the planet's molten mantle. When the wearer of this item is successfully attacked in melee, superhearted magma occasionally surges to the surface, slowing an enemy down and inflicting massive fire damage over time.