Card Errata:Light End Dragon

Original Lore: 1st Edition: When you declare an attack, you can activate this effect. If you do, this card loses 500 ATK and DEF (permanently), and the monster it is battling loses 1500 ATK and DEF until the End Phase.

Errata Lore: Unlimited Edition: When this monster battles, you can activate this card's effect at attack declaration. If you do, this card loses 500 ATK and DEF (permanently), and the monster it is battling loses 1500 ATK and DEF until the End Phase.