The tower gains 25 mana on kill or when an enemy affected by Mark of Flame dies.
Level Bonus: +1 mana
Mark of Flame
Curse a target enemy, increasing damage taken from Fire towers by 5% and causing the target to take 60 additional spell damage when hit by attacks. Damage is attack speed and range adjusted. Lasts 6 seconds and can stack.
Level Bonus: +0.1% damage from Fire +2.4 spell damage