Board Thread:Questions and Answers/@comment-37488139-20200104021050/@comment-25404524-20200104040137

The Prince of Darkness buff is supposed to add +1 damage to all Zombie Bloons on screen. However, this buff does nothing on towers like Archmage. I think applying a visible buff icon above any tower besides Necromancer: Unpopped Army or Prince of Darkness is considered a bug.