Description: the poison spell is a 5x5 spell that will affect all the defenses inside the ring. Its meant to drop down the damage on the defenses.
Level 1: takes ten percent of defenses dps for 5 seconds
Level 2: takes 15% of dps for 7 seconds
Level 3: takes 25% of the defenses dps for 10 seconds.
Level 4: takes 25% of the dps for ten seconds, but increases the ring size to 7x7