Swift: Avenging Strike +9 attack & damage (1st attack)
Other: Smite Evil (2nd attack), Power attack 12, True Strike (1st attack)
Full: Lightning Sword
(1d20+41)[43] (+12 base, +9 str, +2 weapon, +1 morale (Heroes Feast), -12 PA, +20 True Strike, +9 avenging strike), damage
(2d6+53)[59] (+18 str, +2 weapon, +24 PA, +9 avenging strike) + shock
(1d6)[1]
Lightning Sword
(1d20+16)[20] (+7 base, +9 str, +2 weapon, +1 morale (Heroes Feast), -12 PA, +9 smite evil), damage
(2d6+48)[57] (+18 str, +2 weapon, +24 PA, +4 smite evil) + shock
(1d6)[3]
Lightning Sword
(1d20+2)[3] (+2 base, +9 str, +2 weapon, +1 morale (Heroes Feast), -12 PA), damage
(2d6+44)[51] (+18 str, +2 weapon, +24 PA) + shock
(1d6)[1]
I can't recall if Heroes' Feast is still active? Subtract 1 from all attacks if it is not in effect.
Wurst rollz evah!