Enemies affected by Shadowblight take up to 20% increased damage from Darkness towers based on how much health they are missing, starting at 0% at full health and reaching the full effect near death. This effect is tripled for Shadowblight damage.
Level Bonus: +0.4% damage taken
Shadowblight
Towers within 200 range inflict Shadowblight on attack, a disease that deals 625Decay damage over 5 seconds. This damage can accumulate, scales with spell damage and is range and attack speed adjusted. Increasing the buffs duration will increase the damage proportionately.