Forum:Number C39 Utopia Ray V vs Face-Down monster

When Number C39: Utopia Ray V targets a face-down monster for its effect and destroys it, will the LP damage be equal to the monster's ATK or will it be 0 since it was face-down while on the field, and is therefore unknown what the ATK is? Sorarikukai77 (talk • contribs) 06:26, September 8, 2015 (UTC)