Talk:Twisted Fate/@comment-96.48.86.146-20110224034934/@comment-3323227-20110224162151

"UNIQUE: Every time you use an ability, your next physical attack deals 100% extra base damage. Cooldown 2 seconds. "

This essentially doubles your base damage which is your damage before Runes, Masteries, Items, Buffs,and Auras are added in. I hope this clarifies for you.