Fell the Greatest Foe(Draconomicon)
Level: Assassin 3, Paladin 3, Cleric 4,
Components: V, S, M,
Casting Time: 1 standard action
Target: Large or larger creature touched
Duration: 1 round/level
Saving Throw: Fortitude negates (harmless)
Spell Resistance: Yes (harmless)
The subject gains the ability to deal greater damage against Large or larger creatures.
For every size category of an opponent bigger than Medium, the subject deals an extra 1d6 points of damage on any successful melee attack (+1d6 against a Large creature, +2d6 against Huge, +3d6 against Gargantuan, or +4d6 against Colossal).
Material Component: A dragon's claw or a giant's fingernail.