Dancing Sword 10
Defender 19
Dragon Slayer 22 + 1 = 23 If you are playing through Dragon Queen / Tiamat. If you are playing through Out of the Abyss, not so much.
Flame Tongue 26
Frost Brand 20
Holy Avenger 18
Luck Blade 16
Nine Lives Stealer 11 - 2 = 9 If you are That Guy Who Writes CN On His Character Sheet, you might see this differently.
Sun Blade 21
Sword of Sharpness 21
Sword of Life Stealing 20
Sword of Vengeance 10
Sword of Wounding 21
Vorpal Sword 19