Talk:Shyvana/@comment-24931848-20141016061514/@comment-3546228-20141016124923

Logically it does not stack - if you're getting hit both by the regular Burnout AoE and the trail you will only take the regular damage.

Of course, Shyvana's AoE would be way too overpowered if both of them stacked, her AoE is already some of the most powerful in the game.