Increases Acid Bomb and Spore Explosion damage by 15%.
If refine rate is 7 or higher, increases Acid Bomb and Spore Explosion damage by additional 25%.
If refine rate is 9 or higher, reduces skill cooldown of Spore Explosion by 2 seconds.
If refine rate is 11 or higher, increases Acid Bomb and Spore Explosion damage by additional 20%, increases Acidified Zone (Fire), Acidified Zone (Ground) and Mayhemic Thorns damage by 15%.