Devastating critical

From NWNWiki

Type of feat: combat (general feat) (epic)
Prerequisite: strength 25+, cleave, great cleave, improved critical (weapon to be chosen), overwhelming critical (weapon to be chosen), power attack, weapon focus (weapon to be chosen)

Specifics: Whenever scoring a critical hit with the chosen weapon, the character's target must make a fortitude save or die instantly. Creatures who are immune to critical hits are not affected by this feat.

Use: automatic

[edit] Notes

• Requires Hordes of the Underdark.
• The in-game description lists weapon focus as a prerequisite, but it is not one.
• The difficulty class of the save is 10 + ½ character level + strength modifier.
• This feat is often banned from online persistent world multiplayer servers as some consider it overpowered.