One of the spirits flies towards a tower in 500 range and buffs it for 5 seconds. The buff has a different effect depending on the tower's element: +56% experience for Astral +32% spell damage for Darkness +8% crit chance for Nature +32% damage for Fire +40% buff duration for Ice +16% attack speed for Storm +12% item chance for Iron The buffed tower has a 25% chance to receive another random effect in addition to the first one.