Originally: Lifedrinker Longsword (+1)

Now:
Lifedrinker Longsword – Lvl 15 +3 25,000 gp
This weapon transfers an enemy’s vitality to you.

Enhancement (+3): Attack rolls and damage rolls
Critical (19,20): +3d6 necrotic damage

Properties:

• You have no desire to rid yourself of the weapon.
• You will not willingly allow anyone else to hold or take the weapon.
• You attempt to protect the holder of The Rod of Ruin to the detriment of yourself or others.
• When you drop an enemy to 0 hit points or fewer with a melee attack made with this weapon, gain 10 temporary hit points.
• The paladin power Virtuous Strike no longer works.
• The paladin power Righteous Smite no longer grants 5 temporary hit points to allies, but does grant 10 temporary hit points to the holder of The Rod of Ruin, if within range.
• The paladin power Sacred Circle no longer works.
• The paladin power Lay On Hands no longer works.
• The paldin power Bless Weapon no longer works.
• The paladin power Radiant Delerium now deals Necrotic Damage rather than Radiant.
• The holder of The Rod of Ruin may use an at-will, minor action to grant you a standard action.